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Artykuły w czasopismach na temat „One-dimensional tripled system”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 20 lutego 2023

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1

Aligia, A. A., and Liliana Arrachea. "Triplet superconductivity in quasi-one-dimensional systems." Physical Review B 60, no. 22 (December 1, 1999): 15332–38. http://dx.doi.org/10.1103/physrevb.60.15332.

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Ding, Hanqin, and Jun Zhang. "Superconductivity in a one-dimensional correlated quantum system." Modern Physics Letters B 30, no. 19 (July 20, 2016): 1650231. http://dx.doi.org/10.1142/s0217984916502316.

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We construct a one-dimensional (1D) theoretical model to clarify the occurrence of superconductivity. The weak-coupling (WC) theory allows a determination of the phase diagram. The constrained hopping induces additional two-body and three-body interactions. At half-filling, the three-body interaction is responsible for the triplet superconducting (TS) correlation. Away from half-filling, the two-body interaction works, favoring the singlet superconducting (SS) correlation. The results are expected to provide an insignificant insight into the superconductivity mechanism.

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3

Vaccarella, C. D., R. D. Duncan, and C. A. R. Sá de Melo. "Triplet superconductors: Josephson effect in quasi-one-dimensional systems." Physica C: Superconductivity 391, no. 1 (August 2003): 89–97. http://dx.doi.org/10.1016/s0921-4534(03)00872-4.

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Feldman, Jacob. "Regularity Vs Genericity in the Perception of Collinearity." Perception 25, no. 3 (March 1996): 335–42. http://dx.doi.org/10.1068/p250335.

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The perception of collinearity is investigated, with the focus on the minimal case of three dots. As suggested previously, from the standpoint of probabilistic inference, the observer must classify each dot triplet as having arisen either from a one-dimensional curvilinear process or from a two-dimensional patch. The normative distributions of triplets arising from these two classes are unavailable to the observer, and are in fact somewhat counterintuitive. Hence in order to classify triplets, the observer invents distributions for each of the two opposed types, ‘regular’ (collinear) triplets

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5

Suginishi, Yuuichi, and Hiroshi Shimahara. "Spin-Triplet Superconductivity Mediated by Phonons in Quasi-One-Dimensional Systems." Journal of the Physical Society of Japan 73, no. 11 (November 2004): 3121–28. http://dx.doi.org/10.1143/jpsj.73.3121.

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Lee, I. J. "Coexistence of spin triplet superconductivity and antiferromagnetism in a quasi-one-dimensional system (TMTSF)2PF6." Journal of Magnetism and Magnetic Materials 310, no. 2 (March 2007): 657–59. http://dx.doi.org/10.1016/j.jmmm.2006.10.187.

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Dohnal, Michal, Tomáš Vogel, Martin Šanda, and Vladimíra Jelínková. "Uncertainty Analysis of a Dual-Continuum Model Used to Simulate Subsurface Hillslope Runoff Involving Oxygen-18 as Natural Tracer." Journal of Hydrology and Hydromechanics 60, no. 3 (September 1, 2012): 194–205. http://dx.doi.org/10.2478/v10098-012-0017-0.

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Uncertainty Analysis of a Dual-Continuum Model Used to Simulate Subsurface Hillslope Runoff Involving Oxygen-18 as Natural TracerA one-dimensional dual-continuum model (also known as dual-permeability model) was used to simulate the lateral component of subsurface runoff and variations in the natural18O content in hillslope discharge. Model predictions were analyzed using the GLUE generalized likelihood uncertainty estimation procedure. Model sensitivity was evaluated by varying two separate triplets of parameters. The first triplet consisted of key parameters determining the preferential flow

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8

SHARMA, MEENAKSHI, KAMLESH KUMARI, and ISHWAR SINGH. "QUANTUM MONTE CARLO SIMULATION STUDY OF ONE-DIMENSIONAL PERIODIC ANDERSON MODEL." International Journal of Modern Physics B 13, no. 32 (December 30, 1999): 3927–42. http://dx.doi.org/10.1142/s0217979299004094.

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Many rare earth and actinide intermetallics, known as Heavy Fermion Systems, have recently been successfully described by the Periodic Anderson Model. We investigate, in this work, various electronic and magnetic properties of the one-dimensional Periodic Anderson model using path integral formulation along with the quantum Monte Carlo simulation technique. We have studied the singlet and triplet pairing correlation functions, nearest neighbor charge-density correlations, spin density correlations, local squared magnetic moment and probability of double occupancy of f-electrons, as a function

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9

Kaneyuki, Soji, and Hiroshi Asano. "Graded Lie algebras and generalized Jordan triple systems." Nagoya Mathematical Journal 112 (December 1988): 81–115. http://dx.doi.org/10.1017/s002776300000115x.

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One frequently encounters (real) semisimple graded Lie algebras in various branches of differential geometry (e.g. [16], [9], [14], [18]). It is therefore desirable to study semisimple graded Lie algebras, including those which have been studied individually, in a unified way. One of our concerns is to classify (finite-dimensional) semisimple graded Lie algebras in a way that enables us to construct them.

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10

CHELTSOV, V. F. "EXACT THEORY OF SPONTANEOUS EMISSION OF TWO LEVEL ATOM IN ONE-DIMENSIONAL CAVITY." Modern Physics Letters B 09, no. 14 (June 20, 1995): 859–70. http://dx.doi.org/10.1142/s0217984995000814.

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The exact theory of the spontaneous emission of a motionless two level atom in a one-dimensional cavity at zero temperature is presented. In the damped cavity case, using the theory of quasistationary systems and a novel algorithm in operating casual ζ-functions, the theory predicts a hidden-triplet form of emission spectrum which turns abruptly to a singlet when the cavity passive linewidth Γ c /2 becoming equal to twice the coupling constant.

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11

Sankar, Karthika, Rahna Manoharan, Safna Saif, and T. Priya Rose. "An optimum design of one dimensional photonic crystal for solar cell applications." IOP Conference Series: Materials Science and Engineering 1219, no. 1 (January 1, 2022): 012047. http://dx.doi.org/10.1088/1757-899x/1219/1/012047.

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Abstract Efficient anti reflection (AR) coatings and back reflectors are crucial components for the better performance of a solar cell. Hence perfect designing of the same is very important. We propose the design of both these structures based on a multilayer dielectric system, a one dimensional photonic crystal, with maximum efficiency on the basis of optical interference transfer matrix theory. Optical parameters were optimized and transmission and reflection spectra were obtained using transfer matrix formulation via a personal computer using MATLAB program. Theoretical analysis has shown t

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12

Akashi, Muhammad, and Noam Soker. "Shaping planetary nebulae with jets in inclined triple stellar systems." Proceedings of the International Astronomical Union 12, S323 (October 2016): 227–30. http://dx.doi.org/10.1017/s174392131700196x.

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AbstractWe conduct three-dimensional hydrodynamical simulations of two opposite jets launched obliquely to the orbital plane around an asymptotic giant branch (AGB) star and within its dense wind, and demonstrate the formation of a ‘messy’ planetary nebula (PN), namely, a PN lacking any type of symmetry (highly irregular). In building the initial conditions we assume that a tight binary system orbits the AGB star, and that the orbital plane of the tight binary system is inclined to the orbital plane of binary system and the AGB star. We further assume that the accreted mass onto the tight bina

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13

DING, HANQIN, and JUN ZHANG. "EFFECT OF CORRELATED-HOPPING INTERACTION ON A ONE-DIMENSIONAL EXTENDED HUBBARD MODEL WITH SPIN-EXCHANGE INTERACTION." Modern Physics Letters B 26, no. 07 (March 20, 2012): 1150044. http://dx.doi.org/10.1142/s0217984911500448.

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By using the field-theoretical techniques combining bosonization with renormalization group, we study a one-dimensional (1D) model of interacting electrons with on-site repulsion (U > 0), nearest-neighbor (nn) exchange (J) and correlated-hopping (t2, t3) interactions at weak coupling. In the case of a half-filled band, the two-body interaction t2 does not influence phase diagram of the model, while the presence of three-body interaction t3 makes the physics of the system highly non-trivial. By a Hartree–Fock decoupling, the effects of t3 bring about hopping of pairs, V-like (nn Coulomb inte

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14

Суханов, А. А., та В. А. Сабликов. "Спиновые состояния электронов в двойной квантовой точке в двумерном топологическом изоляторе со спин-орбитальным взаимодействием". Физика и техника полупроводников 53, № 9 (2019): 1257. http://dx.doi.org/10.21883/ftp.2019.09.48134.17.

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AbstractThe spectra and spin structure of the states of two interacting electrons localized in a double quantum dot in a two-dimensional topological insulator with spin-orbit interaction are investigated. It is found that, in such a system, a singlet-triplet transition in the ground state without a magnetic field can be implemented. Spin-orbit interaction leads to the splitting of polarized triplet levels and to anticrossing, when one of them crosses the singlet.

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15

ARTÉS, JOAN C., ALEX C. REZENDE, and REGILENE D. S. OLIVEIRA. "GLOBAL PHASE PORTRAITS OF QUADRATIC POLYNOMIAL DIFFERENTIAL SYSTEMS WITH A SEMI-ELEMENTAL TRIPLE NODE." International Journal of Bifurcation and Chaos 23, no. 08 (August 2013): 1350140. http://dx.doi.org/10.1142/s021812741350140x.

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Planar quadratic differential systems occur in many areas of applied mathematics. Although more than one thousand papers have been written on these systems, a complete understanding of this family is still missing. Classical problems, and in particular, Hilbert's 16th problem [Hilbert, 1900, 1902], are still open for this family. In this article, we make a global study of the family [Formula: see text] of all real quadratic polynomial differential systems which have a semi-elemental triple node (triple node with exactly one zero eigenvalue). This family modulo the action of the affine group an

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16

Hu, Qingqing, and Xiaohong Zhang. "Three-Way Fuzzy Sets and Their Applications (III)." Axioms 12, no. 1 (January 3, 2023): 57. http://dx.doi.org/10.3390/axioms12010057.

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Three-way fuzzy inference is the theoretical basis of three-way fuzzy control. The proposed TCRI method is based on a Mamdani three-way fuzzy implication operator and uses one inference and simple composition operation. In order to effectively improve the TCRI method, this paper proposes a full implication triple I algorithm for three-way fuzzy inference and gives the triple I solution to the TFMP problem. The emphasis of our research is R0 and Go¨del triple I solution, which is related to three-way residual implication, as well as Zadeh’s and Mamdani’s triple I solution, which is based on thr

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17

AFTALION, A., and S. J. CHAPMAN. "Asymptotic analysis of the bifurcation diagram for symmetric one-dimensional solutions of the Ginzburg–Landau equations." European Journal of Applied Mathematics 10, no. 5 (October 1999): 477–95. http://dx.doi.org/10.1017/s0956792599003915.

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The bifurcation of symmetric superconducting solutions from the normal solution is considered for the one-dimensional Ginzburg–Landau equations by the methods of formal asymptotics. The behaviour of the bifurcating branch depends upon the parameters d, the size of the superconducting slab, and κ, the Ginzburg–Landau parameter. It was found numerically by Aftalion & Troy [1] that there are three distinct regions of the (κ, d) plane, labelled S1, S2 and S3, in which there are at most one, two and three symmetric solutions of the Ginzburg–Landau system, respectively. The curve in the (κ, d) p

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18

Huang, Feng, Zhifeng Wang, Jing Wu, Ying Shen, and Liqiong Chen. "Residual Triplet Attention Network for Single-Image Super-Resolution." Electronics 10, no. 17 (August 27, 2021): 2072. http://dx.doi.org/10.3390/electronics10172072.

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Single-image super-resolution (SISR) techniques have been developed rapidly with the remarkable progress of convolutional neural networks (CNNs). The previous CNNs-based SISR techniques mainly focus on the network design while ignoring the interactions and interdependencies between different dimensions of the features in the middle layers, consequently hindering the powerful learning ability of CNNs. In order to address this problem effectively, a residual triplet attention network (RTAN) for efficient interactions of the feature information is proposed. Specifically, we develop an innovative

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19

Artés, Joan C., Regilene D. S. Oliveira, and Alex C. Rezende. "Topological Classification of Quadratic Polynomial Differential Systems with a Finite Semi-Elemental Triple Saddle." International Journal of Bifurcation and Chaos 26, no. 11 (October 2016): 1650188. http://dx.doi.org/10.1142/s0218127416501881.

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The study of planar quadratic differential systems is very important not only because they appear in many areas of applied mathematics but due to their richness in structure, stability and questions concerning limit cycles, for example. Even though many papers have been written on this class of systems, a complete understanding of this family is still missing. Classical problems, and in particular Hilbert’s 16th problem [Hilbert, 1900, 1902], are still open for this family. In this article, we make a global study of the family [Formula: see text] of all real quadratic polynomial differential s

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20

Tian, A. L., B. Li, M. T. Huang, and Zhuang De Jiang. "Instantaneous Measurement of 3D Profiles by Projecting Coded Grating." Key Engineering Materials 295-296 (October 2005): 495–500. http://dx.doi.org/10.4028/www.scientific.net/kem.295-296.495.

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A three-dimensional profile measurement system based on a projection coded grating technique is presented. The system uses a designing and decoding technique for grey coded gratings. The coded grating has black, white and grey stripes. The period triples a conventional grating. It greatly increases the height measuring range without any decrease in stripe separation. The shape of object can be obtained from only one grating image. The system is suitable for instantaneous measurement of moving objects including human face. The technique proposed permits rapid 3D measurement and no moving parts

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21

MASSA, L., J. M. AUSTIN, and T. L. JACKSON. "Triple-point shear layers in gaseous detonation waves." Journal of Fluid Mechanics 586 (August 14, 2007): 205–48. http://dx.doi.org/10.1017/s0022112007007008.

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Recent experiments have shown intriguing regions of intense luminescence or ‘hotspots’ in the vicinity of triple-point shear layers in propagating gaseous detonation waves. Localized explosions have also been observed to develop in these fronts. These features were observed in higher effective activation energy mixtures, but not in lower effective activation energy mixtures. The increased lead shock oscillation through a cell cycle in higher activation energy mixtures may result in a significantly increased disparity in the induction time on either side of the triple-point shear layer, and thu

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22

BROHOLM, C. L. "SPIN CORRELATIONS IN MAGNETIZED HALDANE CHAINS." International Journal of Modern Physics B 16, no. 20n22 (August 30, 2002): 3250. http://dx.doi.org/10.1142/s0217979202014085.

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Neutron scattering experiments have been carried out in high magnetic fields to understand the magnetized state of the uniform spin-1 antiferromagnetic chain. In zero field this system has a cooperative singlet ground state with a gap to a propagating triplet excitation. The quasi-one-dimensional uniform spin-1 antiferromagnets NENP (Ni(C2D8N2)2NO2CIO4) and NDMAP (Ni(C5D14N2)2N3PF6) were examined. NENP has an alternating g-tensor such that staggered magnetization is induced for arbitrarily small fields and there is no finite field phase transition. In the high field phase the lowest energy mod

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23

Конев, В. В., В. А. Улитко, Д. Н. Ясинская, Ю. Д. Панов та А. С. Москвин. "Влияние локальных корреляций на переход "однородный изолятор-сверхпроводник" в доменных границах фазы зарядового порядка 2D-системы со смешанной валентностью". Физика твердого тела 60, № 11 (2018): 2093. http://dx.doi.org/10.21883/ftt.2018.11.46644.01nn.

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Abstract —It is demonstrated in the (pseudo)spin S = 1 formalism that the structure of antiphase domain boundaries in the phase of charge ordering of a mixed-valence system of the Cu^1+, 2+, 3+ “triplet” type in cuprates on a two-dimensional square lattice depends to a considerable extent on on-site correlation parameter U . The results of computer modeling on large square lattices illustrate the change in the boundary structure (from a homogeneous monovalent nonconducting structure of the Cu^2+ type to a filamentary superconducting one) induced by a relatively small variation of positive U va

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Gamsjäger, Ernst, Boris Gschöpf, and Jiří Svoboda. "Influence of Finite Mobilities of Triple Junctions on the Grain Morphology and Kinetics of Grain Growth." Metals 10, no. 2 (January 27, 2020): 185. http://dx.doi.org/10.3390/met10020185.

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Grain boundary networks composed of equal microstructural elements were investigated in a recent paper. In this work a more complicated artificial grain topology consisting of one four-sided, two six-sided and one eight-sided grain is designed to further investigate the influence of grain boundary and triple junction mobilities on the kinetics of the system in more detail. Depending on the value of the equal mobility of all triple junctions, the initially square-shaped four-sided grain changes its shape to become more or less rectangular. This indicates that the grain morphology is influenced

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25

Omarova, Sabina M., Zaira N. Verdieva, Alibek B. Alkhasov, Uhumaali G. Magomedbekov, Patimat A. Arbukhanova, and Nadinbeg N. Verdiev. "PHASE EQUILIBRIA IN SYSTEM (LiF)2 – (NaCl)2 – Na3FSO4." IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENIY KHIMIYA KHIMICHESKAYA TEKHNOLOGIYA 60, no. 10 (November 16, 2017): 4. http://dx.doi.org/10.6060/tcct.20176010.5631.

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The liquidus surface of the quasi-triple system LiF–NaCl–Na3FSO4 was studied by a differential-thermal method of physicochemical analysis. As a result of the studies, the crystallization temperature (554 °C) and the composition of the three-component eutectic, which can be used as a heat accumulator in thermal energy storage devices, are determined. When designing plants based on renewable energy sources, it is necessary to provide storage tanks for the concentration of thermal energy, so that the stored heat energy can be used even in the period of absence of solar radiation. The most suitabl

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26

Baroch, D., J. C. Morales, I. Ribas, V. J. S. Béjar, S. Reffert, C. Cardona Guillén, A. Reiners, et al. "The CARMENES search for exoplanets around M dwarfs." Astronomy & Astrophysics 653 (September 2021): A49. http://dx.doi.org/10.1051/0004-6361/202141031.

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Context. M dwarfs are ideal targets for the search of Earth-size planets in the habitable zone using the radial velocity method, and are attracting the attention of many ongoing surveys. One of the expected results of these surveys is that new multiple-star systems have also been found. This is the case also for the CARMENES survey, thanks to which nine new double-line spectroscopic binary systems have already been announced. Aims. Throughout the five years of the survey the accumulation of new observations has resulted in the detection of several new multiple-stellar systems with long periods

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27

HANAMURA, E., J. INOUE, and F. YURA. "DRESSED EXCITONS IN MICROCAVITY." Journal of Nonlinear Optical Physics & Materials 04, no. 01 (January 1995): 13–25. http://dx.doi.org/10.1142/s0218863595000033.

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After reviewing the important roles of excitons in nonlinear optical responses, we demonstrate mutual and quantum-mechanical control of radiation field and excitons on the same footing in a microcavity. First we introduce dressed excitons as bosons interacting coherently and reversibly with a radiation mode in the microcavity. Although the vacuum Rabi splitting of the dressed exciton is the same as that of dressed atom, the emission spectrum under strong pumping shows quartet structure different from the triplet of dressed atom. Secondly, the population dynamics of dressed excitons, i.e., one-

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28

Miesen, Franciscus W. A. M., Hans C. M. Baeten, Harm A. Langermans, Leo H. Koole, and Henk A. Claessens. "Novel, intramolecular hydrogen-transfer and cyclo-addition photochemistry of cyclic 1,3-dienes." Canadian Journal of Chemistry 69, no. 10 (October 1, 1991): 1554–62. http://dx.doi.org/10.1139/v91-230.

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With use of one- and two-dimensional NMR spectroscopy and deuterium labelling, the photochemistry of 9-endo-hydroxy-9-exo-vinyl-bicyclo[4.2.1]nonadiene (1) and the 9-exo-(11-dimethylvinyl)- (2) and 9-exo-ethyl- (3) analogues has been studied. Irradiation of 1–3 gave novel 8-membered ring systems 4–6 by a light-induced rearrangement process, in which the hydroxyl proton is transferred on one side of the molecule toward one of the termini of the endocyclic diene. This rearrangement process thus involves a formal hydrogen transfer, during which either H+ or H• may be transferred to a reactive die

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29

NAKATSUJI, S., and Y. MAENO. "FERROMAGNETIC AND STRUCTURAL INSTABILITIES IN Ca2-xSrxRuO4." International Journal of Modern Physics B 16, no. 20n22 (August 30, 2002): 3273–78. http://dx.doi.org/10.1142/s0217979202014152.

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Ca 2 - x Sr x RuO 4 is a unique quasi-two-dimensional multi-band system that connects the Mott insulator Ca2RuO4 with the spin-triplet superconductor Sr2RuO4. The isovalent Sr substitution changes the crystal distortions and thus modifies the hybridization and degeneracy of t2g orbitals. Such effective change of electron correlation induces the Mott transition and rich evolution of itinerant magnetism. One of the striking features in this system is the appearance of ferromagnetic critical behavior in the metallic phase near a zero-temperature structural instability (x c ≈ 0.5). The low tempera

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YAŞAR, FATIH, and MEHMET DILAVER. "THE STUDY OF PHASE TRANSITION BY PERIODIC DISTRIBUTION OF BIMODAL BONDS IN 2D POTTS MODEL." International Journal of Modern Physics C 20, no. 02 (February 2009): 223–36. http://dx.doi.org/10.1142/s012918310901356x.

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We have studied the influence of the distribution of bimodal bonds on the phase transition in two-dimensional 8-state Potts model by the recently proposed Wang–Landau (WL) and the Swendsen–Wang (SW) algorithm. All simulations and measurements are done for r = 0.5. Physical quantities such as energy density and specific heat are evaluated at all temperatures. We have also obtained the probability distributions of the energy in order to monitor the transitions. We have observed that some cases of the periodically arranged bond distributions show a single peak, and some cases show double or tripl

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31

Bi, Q., and P. Yu. "Computation of Normal Forms of Differential Equations Associated with Non-Semisimple Zero Eigenvalues." International Journal of Bifurcation and Chaos 08, no. 12 (December 1998): 2279–319. http://dx.doi.org/10.1142/s0218127498001868.

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This paper presents a method to compute the normal forms of differential equations whose Jacobian evaluated at an equilibrium includes a double zero or a triple zero eigenvalue. The method combines normal form theory with center manifold theory to deal with a general n-dimensional system. Explicit formulas are derived and symbolic computer programs have been developed using a symbolic computation language Maple. This enables one to easily compute normal forms and nonlinear transformations up to any order for a given specific problem. The programs can be conveniently executed on a main frame, w

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32

Kazakov, Alexey O., Efrosiniia Y. Karatetskaia, Alexander D. Kozlov, and Klim A. Safonov. "On the classification of homoclinic attractors of three-dimensional flows." Zhurnal Srednevolzhskogo Matematicheskogo Obshchestva 21, no. 4 (December 30, 2019): 443–59. http://dx.doi.org/10.15507/2079-6900.21.201904.443-459.

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For three-dimensional dynamical systems with continuous time (flows), a classification of strange homoclinic attractors containing an unique saddle equilibrium state is constructed. The structure and properties of such attractors are determined by the triple of eigenvalues of the equilibrium state. The method of a saddle charts is used for the classification of homoclinic attractors. The essence of this method is in the construction of an extended bifurcation diagram for a wide class of three-dimensional flows (whose linearization matrix is written in the Frobenius form). Regions corresponding

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Shi, Fuqian, Jiang Xu, and Shouqian Sun. "Fuzzy Case-Based Reasoning in Product Style Acquisition Incorporating Valence-Arousal-Based Emotional Cellular Model." Journal of Applied Mathematics 2012 (2012): 1–16. http://dx.doi.org/10.1155/2012/385079.

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Emotional cellular (EC), proposed in our previous works, is a kind of semantic cell that contains kernel and shell and the kernel is formalized by a triple-L = <P,d,δ>, wherePdenotes a typical set of positive examples relative to word-L,dis a pseudodistance measure on emotional two-dimensional space: valence-arousal, andδis a probability density function on positive real number field. The basic idea of EC model is to assume that the neighborhood radius of each semantic concept is uncertain, and this uncertainty will be measured by one-dimensional density functionδ. In this paper, product

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Asante, Emmanuel C., Nikitha K. Pallegar, Alica J. Hoffmann, Alicia M. Viloria-Petit, and Sherri L. Christian. "Adipose Tissue from Lean and Obese Mice Induces a Mesenchymal to Epithelial Transition-Like Effect in Triple Negative Breast Cancers Cells Grown in 3-Dimensional Culture." International Journal of Molecular Sciences 21, no. 17 (September 3, 2020): 6439. http://dx.doi.org/10.3390/ijms21176439.

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Breast cancer is the second leading cause of cancer-related mortality among women globally with obesity being one risk factor. Obese breast cancer patients have at least a 30% increased risk of death from breast cancer compared to non-obese breast cancer patients because they present with larger tumors and generally have increased rates of metastasis. Moreover, obese breast cancer patients respond more poorly to treatment compared to non-obese patients, particularly pre-menopausal women diagnosed with triple negative breast cancer (TNBC). To help understand the molecular mechanisms underlying

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Hu, Xin. "Football Player Posture Detection Method Combining Foreground Detection and Neural Networks." Scientific Programming 2021 (June 22, 2021): 1–11. http://dx.doi.org/10.1155/2021/4102294.

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In recent years, with the rapid development of artificial intelligence, information technology, intelligent digital video surveillance systems, real-time sports competition playback, and other technologies have emerged one after another, making the advantages of deep learning-based football posture detection tasks become more obvious. Related models and methods have been applied to the research field of sports posture estimation and have achieved great improvement, surpassing the traditional football posture estimation method based on manual design features in one fell swoop. In addition, the

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MARTIN, THIERRY, and DANIEL LOSS. "PHASE DIAGRAM FOR A LUTTINGER LIQUID COUPLED TO PHONONS IN ONE DIMENSION." International Journal of Modern Physics B 09, no. 04n05 (February 28, 1995): 495–533. http://dx.doi.org/10.1142/s0217979295000185.

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We consider a one-dimensional system consisting of electrons with short-ranged repulsive interactions and coupled to small-momentum transfer acoustic phonons. The interacting electrons are bosonized and described in terms of a Luttinger liquid which allows us to calculate exactly the one- and two-electron Green function. For non-interacting electrons, the coupling to phonons alone induces a singularity at the Fermi surface which is analogous to that encountered for electrons with an instantaneous attractive interaction. The exponents which determine the presence of singlet/triplet superconduct

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Tan, J. G., Yian Yian Lok, and I. Pop. "Mathematical modelling of boundary layer flow over a permeable and time-dependent shrinking sheet – A stability analysis." Journal of Mechanical Engineering and Sciences 16, no. 2 (June 30, 2022): 8837–47. http://dx.doi.org/10.15282/jmes.16.2.2022.03.0699.

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Micropolar fluid is one type of non-Newtonian fluid which consists of non-deformable spherical particles that suspended in viscous medium. In this paper, the problem of two-dimensional boundary layer flow over a permeable shrinking sheet with time dependent velocity in strong concentration micropolar fluid is studied theoretically. The mathematical model is governed by continuity, momentum and microrotation equations. Similarity variables are introduced so that, after performing the similarity transformation on the governing equations, the resulting system of nonlinear ordinary differential eq

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Pfaffhuber, Andreas A., Stefan Hendricks, and Yme A. Kvistedal. "Progressing from 1D to 2D and 3D near-surface airborne electromagnetic mapping with a multisensor, airborne sea-ice explorer." GEOPHYSICS 77, no. 4 (July 1, 2012): WB109—WB117. http://dx.doi.org/10.1190/geo2011-0375.1.

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The polar ocean’s sea ice cover is an unconventional and challenging geophysical target. Helicopter electromagnetic (HEM) sea-ice thickness mapping is currently limited to 1D interpretation due to traditional procedures and systems. These systems are mainly sensitive to layered structures, ideally set for the widespread flat (level) ice type. Because deformed sea ice (e.g., pressure ridges) is 3D and usually also heterogeneous, ice thickness errors up to 50% can be observed for pressure ridges using 1D approximations for the interpretation of HEM data. We researched a new generation multisenso

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CERESOLE, A., R. D’AURIA, S. FERRARA, W. LERCHE, and J. LOUIS. "PICARD-FUCHS EQUATIONS AND SPECIAL GEOMETRY." International Journal of Modern Physics A 08, no. 01 (January 10, 1993): 79–113. http://dx.doi.org/10.1142/s0217751x93000047.

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We investigate the system of holomorphic differential identities implied by special Kählerian geometry of four-dimensional N=2 supergravity. For superstring compactifications on Calabi-Yau threefolds these identities are equivalent to the Picard-Fuchs equations of algebraic geometry that are obeyed by the periods of the holomorphic three-form. For one variable they reduce to linear fourth-order equations which are characterized by classical W generators; we find that the instanton corrections to the Yukawa couplings are directly related to the nonvanishing of w4. We also show that the symplect

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Sorak, Marija, Aleksandar Zivanovic, Mirjana Varjacic, Goran Lukic, and Goran Babic. "The ultrasonographic diagnosis of fetal encephalocele at 13th gestational week." Vojnosanitetski pregled 67, no. 1 (2010): 69–72. http://dx.doi.org/10.2298/vsp1001069s.

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Background. Encephalocele presents a rare anomaly of central nervous system, developed as a consequence of neural tube closing defect during early embrional development, and it is described by a baggy formation which prolaborates through the pores of the scull, filled with brain tissue, cerebrospinal liquor and entwined with meninges. According to literature search, until this day, the earliest it can be ultrasonically detected is the 13th gestation week, with the appliance of three-dimensional ultrasound. Case report. We presented 25 years old patient, ultrasonically diagnosed with occipital

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Takayanagi, Toshiyuki, Yuya Watabe, and Takaaki Miyazaki. "Reduced-Dimensionality Quantum Dynamics Study of the 3Fe(CO)4 + H2 → 1FeH2(CO)4 Spin-inversion Reaction." Molecules 25, no. 4 (February 17, 2020): 882. http://dx.doi.org/10.3390/molecules25040882.

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Many chemical reactions of transition metal compounds involve a change in spin state via spin inversion, which is induced by relativistic spin-orbit coupling. In this work, we theoretically study the efficiency of a typical spin-inversion reaction, 3Fe(CO)4 + H2 → 1FeH2(CO)4. Structural and vibrational information on the spin-inversion point, obtained through the spin-coupled Hamiltonian approach, is used to construct three degree-of-freedom potential energy surfaces and to obtain singlet-triplet spin-orbit couplings. Using the developed spin-diabatic potential energy surfaces in reduced dimen

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Kasai, Hidetaka, Kenichi Kato, Akihiro Hori, Masaki Takata, Susumu Kitagawa, Hiroshi Tanaka, Hidekazu Arikawa, Tatsuya Takeguchi, Masaaki Sadakiyo, and Miho Yamauchi. "In situ synchrotron powder diffraction for an ionic conductor transition." Acta Crystallographica Section A Foundations and Advances 70, a1 (August 5, 2014): C1181. http://dx.doi.org/10.1107/s2053273314088184.

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In situ synchrotron X-ray powder diffraction can be one of the most powerful probes to investigate the structure evolution by a chemical reaction thanks to simultaneity of data collection. It is not, however, with ease to produce a homogeneous chemical reaction in the limited spaces, which is essential to see an atomic-scale structure evolution. We have developed an in situ capillary cell for both high-temperature H2reduction and precise humidity control at the SPring-8 BL44B2. We successfully applied this in situ system to an electronic conductor LaSr3Fe3O10, which is transformed into an ioni

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Chan, C. T., Zhi Hong Hang, and Xueqin Huang. "Dirac Dispersion in Two-Dimensional Photonic Crystals." Advances in OptoElectronics 2012 (October 22, 2012): 1–11. http://dx.doi.org/10.1155/2012/313984.

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We show how one may obtain conical (Dirac) dispersions in photonic crystals, and in some cases, such conical dispersions can be used to create a metamaterial with an effective zero refractive index. We show specifically that in two-dimensional photonic crystals with C4v symmetry, we can adjust the system parameters to obtain accidental triple degeneracy at Γ point, whose band dispersion comprises two linear bands that generate conical dispersion surfaces and an additional flat band crossing the Dirac-like point. If this triply degenerate state is formed by monopole and dipole excitations, the

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PASCUA, P., J. L. RUBIO, A. VIARTOLA, and S. FERRER. "VISUALIZING RELATIVE EQUILIBRIA AND BIFURCATIONS BY PAINTING HAMILTONIANS ON PERSONAL COMPUTERS." International Journal of Bifurcation and Chaos 06, no. 08 (August 1996): 1411–24. http://dx.doi.org/10.1142/s0218127496000837.

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In this paper, we present a graphical tool running on a PC for studies of integrable systems of one degree of freedom with several parameters, in particular for perturbed Hamiltonian systems with symmetries whose orbit space is the two-dimensional sphere S2 after they are reduced by normalization. The pioneering work was performed by Coffey et al. [1990], who developed a graphical method on a Connection Machine in order to paint the Hamiltonian function ℋ* over phase space, instead of numerical integrations of the corresponding differential equations. We have pursued their idea and the procedu

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Raddatz, S., E. P. Mark, A. Haking, W. Probst, M. Wiessler, M. F. Trendelenburg, and H. Troester. "Development of New Marker Compounds for the Detection of Chemical Element Labels by Electron Spectroscopic Imaging (ESI)." Microscopy and Microanalysis 7, S2 (August 2001): 1038–39. http://dx.doi.org/10.1017/s1431927600031263.

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A promising aspect of ESI is its application in the detection of elemental labels introduced into biomolecules for cell and molecular biological techniques. Even though colloidal gold labeling for electron microscopy (EM) is highly developed, availability of alternative labels, especially for double or triple labeling applications would be helpful because of difficulties with gold concerning i) detection (gold diameters ≤1nm), ii) discrimination due to gold particle size variations in one size class, and iii) different labeling efficiencies depending on gold granule size. An alternative labeli

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Urushihara, Daisuke, Sota Kawaguchi, Koichiro Fukuda, and Toru Asaka. "Crystal structure and magnetism in the S = 1/2 spin dimer compound NaCu2VP2O10." IUCrJ 7, no. 4 (May 27, 2020): 656–62. http://dx.doi.org/10.1107/s2052252520005655.

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The crystal structure of the spin dimer magnet NaCu2VP2O10 was determined using single-crystal X-ray diffraction and electron diffraction. NaCu2VP2O10 displayed a non-centrosymmetric orthorhombic C2221 structure with a = 6.13860 (10) Å, b = 14.4846 (3) Å and c = 8.2392 (2) Å. The layered structure comprised CuO4 plaquettes, VO6 octahedra and PO4 tetrahedra. A pair of CuO4 plaquettes formed Cu2O6 structural dimers through edge sharing. The Cu–Cu network formed a distorted puckered-layer structure with pseudo-one-dimensional characteristics. Maximum magnetic susceptibility was observed at ∼60 K

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Sefidan, Ali M., Mehdi E. Sangari, Mathieu Sellier, Md Imran Hossen Khan, and Suvash C. Saha. "Modeling of Multi-Layer Phase Change Material in a Triplex Tube under Various Thermal Boundary Conditions." Energies 15, no. 9 (May 9, 2022): 3465. http://dx.doi.org/10.3390/en15093465.

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Nowadays, limited energy resources face ever-growing demands of the modern world. One engineering approach to mitigate this problem which has received considerable attention in recent years is using latent heat thermal storage (LHTS) systems, a significant opportunity which is provided by phase change materials (PCMs). In the present study, a numerical investigation was devoted to estimate the simultaneous freezing and melting processes of a double-layer PCM in terms of heat transfer and fluid flow phenomena. A double-pipe cylindrical channel with two compartments, A and B, was considered for

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BHATTACHARYA, ARUP K., and SYED S. HAIDER. "A VLSI IMPLEMENTATION OF THE INVERSE DISCRETE COSINE TRANSFORM." International Journal of Pattern Recognition and Artificial Intelligence 09, no. 02 (April 1995): 303–14. http://dx.doi.org/10.1142/s0218001495000146.

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The Inverse Discrete Cosine Transform (IDCT) is an important function in HDTV, digital TV and multimedia systems complying with JPEG or MPEG standards for video compression. However, the IDCT is computationally intensive and therefore very expensive to implement in VLSI using direct matrix multiplication. By properly arranging the input coefficient sequence and the output data, the rows and columns of the transform matrix can be reordered to build modular regularity suitable for custom implementation in VLSI. This regularity can be exploited, so that a single permutation can be used to derive

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Denissenkov, Pavel A., Falk Herwig, Paul Woodward, Robert Andrassy, Marco Pignatari, and Samuel Jones. "The i-process yields of rapidly accreting white dwarfs from multicycle He-shell flash stellar evolution models with mixing parametrizations from 3D hydrodynamics simulations." Monthly Notices of the Royal Astronomical Society 488, no. 3 (July 12, 2019): 4258–70. http://dx.doi.org/10.1093/mnras/stz1921.

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ABSTRACT We have modelled the multicycle evolution of rapidly accreting CO white dwarfs (RAWDs) with stable H burning intermittent with strong He-shell flashes on their surfaces for 0.7 ≤ MRAWD/M⊙ ≤ 0.75 and [Fe/H] ranging from 0 to −2.6. We have also computed the i-process nucleosynthesis yields for these models. The i process occurs when convection driven by the He-shell flash ingests protons from the accreted H-rich surface layer, which results in maximum neutron densities Nn, max ≈ 1013–1015 cm−3. The H-ingestion rate and the convective boundary mixing (CBM) parameter ftop adopted in the o

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Wang, Yanzhang, Ming Liu, Jialin Zhang, Kaiguang Zhu, Shoupeng Deng, Yue Zhang, Yifan Bai, and Shilong Wang. "The fault detection of transmitting current encoded by m-sequence using triple-correlation function in helicopter-borne electromagnetic method." Review of Scientific Instruments 93, no. 7 (July 1, 2022): 074501. http://dx.doi.org/10.1063/5.0090992.

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An m-sequence is applied to the helicopter-borne electromagnetic method system for the first time, and there are many problems to be solved, one of which is the detection of the quality of the transmitting current waveform, which directly affects the resource survey results. In this research, we found that the triple-correlation function (TCF) can reveal the bit integrity characteristics of the m-sequence encoded transmitting current. On this basis, this paper proposes to extract the three-dimensional information of the normalized TCF plot by using a peak detection method and, then, proposes t

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