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Littérature scientifique sur le sujet « 1-dimensional symmetry »

Auteur : Grafiati

Publié le 9 mars 2023

Mis à jour le 31 juillet 2025

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Articles de revues sur le sujet "1-dimensional symmetry"

Konopelchenko, Boris, Jurij Sidorenko, and Walter Strampp. "(1+1)-dimensional integrable systems as symmetry constraints of (2+1)-dimensional systems." Physics Letters A 157, no. 1 (1991): 17–21. http://dx.doi.org/10.1016/0375-9601(91)90402-t.

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Khalil, S. S. "«Chiral» symmetry in (2+1)-dimensional QCD." Il Nuovo Cimento A 107, no. 5 (1994): 689–96. http://dx.doi.org/10.1007/bf02732078.

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KOVNER, A., and B. ROSENSTEIN. "MASSLESSNESS OF PHOTON AND CHERN-SIMONS TERM IN (2 + 1)-DIMENSIONAL QED." Modern Physics Letters A 05, no. 31 (1990): 2661–68. http://dx.doi.org/10.1142/s0217732390003103.

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We study the realization of global symmetries in (2 + 1)-dimensional QED with two fermion flavors. It is shown that, in a certain range of mass parameters, the chiral symmetry [Formula: see text] and the flux symmetry Φ = ∫d2xB are both spontaneously broken, but the combination I = Q5 − sign (m)e/πΦ remains unbroken. The photon is identified with the corresponding massless excitation, which is required in this case by Goldstone theorem. An order parameter vanishes and chiral and flux symmetries are realized in the Kosterlitz-Thouless mode. Outside this range of parameters the vacuum is symmetr

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Hu, Hengchun, and Xiaodan Li. "Nonlocal symmetry and interaction solutions for the new (3+1)-dimensional integrable Boussinesq equation." Mathematical Modelling of Natural Phenomena 17 (2022): 2. http://dx.doi.org/10.1051/mmnp/2022001.

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The nonlocal symmetry of the new (3+1)-dimensional Boussinesq equation is obtained with the truncated Painlevé method. The nonlocal symmetry can be localized to the Lie point symmetry for the prolonged system by introducing auxiliary dependent variables. The finite symmetry transformation related to the nonlocal symmetry of the integrable (3+1)-dimensional Boussinesq equation is studied. Meanwhile, the new (3+1)-dimensional Boussinesq equation is proved by the consistent tanh expansion method and many interaction solutions among solitons and other types of nonlinear excitations such as cnoidal

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Yang, Huizhang, Wei Liu, and Yunmei Zhao. "Lie Symmetry Analysis, Traveling Wave Solutions, and Conservation Laws to the (3 + 1)-Dimensional Generalized B-Type Kadomtsev-Petviashvili Equation." Complexity 2020 (October 24, 2020): 1–8. http://dx.doi.org/10.1155/2020/3465860.

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In this paper, the (3 + 1)-dimensional generalized B-type Kadomtsev-Petviashvili(BKP) equation is studied applying Lie symmetry analysis. We apply the Lie symmetry method to the (3 + 1)-dimensional generalized BKP equation and derive its symmetry reductions. Based on these symmetry reductions, some exact traveling wave solutions are obtained by using the tanh method and Kudryashov method. Finally, the conservation laws to the (3 + 1)-dimensional generalized BKP equation are presented by invoking the multiplier method.

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ARIK, METIN, and MUHITTIN MUNGAN. "SYMMETRY CHANGES DURING THE EVOLUTION OF THE UNIVERSE." Modern Physics Letters A 05, no. 31 (1990): 2593–98. http://dx.doi.org/10.1142/s0217732390003012.

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This article investigates a (2 + 1)-dimensional universe evolving from a spherically symmetric spatial structure into the Kaluza-Klein structure. The implications of the symmetry change are discussed for this model in particular and also in general. It turns out that for such symmetry changes, the energy density is ill-defined for early times.

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Maris, Pieter, and Dean Lee. "Chiral symmetry breaking in (2+1) dimensional QED." Nuclear Physics B - Proceedings Supplements 119 (May 2003): 784–86. http://dx.doi.org/10.1016/s0920-5632(03)80467-x.

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Babu, K. S., P. Panigrahi, and S. Ramaswamy. "Radiative symmetry breaking in (2+1)-dimensional space." Physical Review D 39, no. 4 (1989): 1190–95. http://dx.doi.org/10.1103/physrevd.39.1190.

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Oshima, Kazuto. "Spontaneous Symmetry Breaking in (1+1)-Dimensional Light-Front φ4Theory". Journal of the Physical Society of Japan 72, № 1 (2003): 83–88. http://dx.doi.org/10.1143/jpsj.72.83.

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Luo, Xiang-Qian. "Chiral-Symmetry Breaking in (1+1)-Dimensional Lattice Gauge Theories." Communications in Theoretical Physics 16, no. 4 (1991): 505–8. http://dx.doi.org/10.1088/0253-6102/16/4/505.

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Plus de sources

Thèses sur le sujet "1-dimensional symmetry"

Manukure, Solomon. "Hamiltonian Formulations and Symmetry Constraints of Soliton Hierarchies of (1+1)-Dimensional Nonlinear Evolution Equations." Scholar Commons, 2016. http://scholarcommons.usf.edu/etd/6310.

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We derive two hierarchies of 1+1 dimensional soliton-type integrable systems from two spectral problems associated with the Lie algebra of the special orthogonal Lie group SO(3,R). By using the trace identity, we formulate Hamiltonian structures for the resulting equations. Further, we show that each of these equations can be written in Hamiltonian form in two distinct ways, leading to the integrability of the equations in the sense of Liouville. We also present finite-dimensional Hamiltonian systems by means of symmetry constraints and discuss their integrability based on the existence of suf

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Longino, Brando. "Exact S-matrices for a class of 1+1-dimensional integrable factorized scattering theories with Uq(sl2) symmetry and arbitrary spins." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2020. http://amslaurea.unibo.it/20542/.

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In this thesis we will study the S-matrices associated to a new class of (1+1)-dimensional integrable models with Uq(sl2) symmetry, whose asymptotic particle states organize into a k/2 isospin multiplet, with k= 0,1,2,... Such S-matrices generalize the case study previously analyzed by S. R. Aladim and M. J. Martins, where it was only investigated the non-deformed limit q→1 of pure SU(2) symmetry. We check that the proposed S-matrix satisfies the constraints due to the the Yang-Baxter equation, crossing-symmetry requirement and unitarity and therefore defines a self-consistent integrable fact

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SOAVE, NICOLA. "Variational and geometric methods for nonlinear differential equations." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2014. http://hdl.handle.net/10281/49889.

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This thesis is devoted to the study of several problems arising in the field of nonlinear analysis. The work is divided in two parts: the first one concerns existence of oscillating solutions, in a suitable sense, for some nonlinear ODEs and PDEs, while the second one regards the study of qualitative properties, such as monotonicity and symmetry, for solutions to some elliptic problems in unbounded domains. Although the topics faced in this work can appear far away one from the other, the techniques employed in different chapters share several common features. In the firts part, the variationa

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Moleleki, Letlhogonolo Daddy. "Symmetry reductions, exact solutions and conservation laws of a variable coefficient (2+1)-dimensional zakharov-kuznetsov equation / Letlhogonolo Daddy Moleleki." Thesis, 2011. http://hdl.handle.net/10394/14404.

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This research studies two nonlinear problems arising in mathematical physics. Firstly the Korteweg-de Vrics-Burgers equation is considered. Lie symmetry method is used to obtain t he exact solutions of Korteweg-de Vries-Burgers equation. Also conservation laws are obtained for this equation using the new conservation theorem. Secondly, we consider the generalized (2+ 1)-dimensional Zakharov-Kuznctsov (ZK) equation of time dependent variable coefficients from the Lie group-theoretic point of view. We classify the Lie point symmetry generators to obtain the optimal system of one-dimensional suba

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Chen, Jian De, and 陳健德. "1-dimensional symmetric games with a continuum players." Thesis, 1995. http://ndltd.ncl.edu.tw/handle/68768977048523839244.

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Borokhov, Vadim Aleksandrovich. "Monopole Operators and Mirror Symmetry in Three-Dimensional Gauge Theories." Thesis, 2004. https://thesis.library.caltech.edu/1275/1/thesis.pdf.

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Many gauge theories in three dimensions flow to interacting conformal field theories in the infrared. We define a new class of local operators in these conformal field theories that are not polynomial in the fundamental fields and create topological disorder. They can be regarded as higher-dimensional analogs of twist and winding-state operators in free 2-D CFTs. We call them monopole operators for reasons explained in the text. The importance of monopole operators is that in the Higgs phase, they create Abrikosov-Nielsen-Olesen vortices. We study properties of these operators in three-dime

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DING, XIANG-FU, and 丁祥富. "Study of Point-Symmetric 1×3 Directional Couplers for Two-Dimensional Photonic Crystal." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/suxghb.

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碩士 龍華科技大學 電機工程系碩士班 107 This paper is mainly about the design and analysis of point-symmetric 1×3 directional couplers for two-dimensional photonic crystal. Based on a traditional uniform symmetrical directional coupler. Design and perform simulation analysis on the dielectric column radius and the coupling region waveguide length in the coupling region. The purpose is to design the optimal parameter structure of the spectroscopic average, and the influence of various parameters on the transmission rate is observed. In addition, for the stability problem and considering the implemen

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Livres sur le sujet "1-dimensional symmetry"

Daghero, D., G. A. Ummarino, and R. S. Gonnelli. Andreev Reflection and Related Studies in Low-Dimensional Superconducting Systems. Edited by A. V. Narlikar. Oxford University Press, 2017. http://dx.doi.org/10.1093/oxfordhb/9780198738169.013.5.

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This article investigates the potential of the point contact Andreev reflection spectroscopy (PCARS) technique for measuring the symmetry of the energy gap and other key parameters of various 0-, 1-, and 2-dimensional superconducting systems. It begins with a brief description of PCARS, explaining what a point contact is and how it can be made and the conditions under which a PC is ballistic, as well as why and to what extent a PC between normal metals is spectroscopic. It then discusses the basics of Andreev reflection and the length scales in mesoscopic systems before considering the limits

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Chapitres de livres sur le sujet "1-dimensional symmetry"

Jackiw, R., and So-Young Pi. "Finite and Infinite Symmetry in (2+1)-Dimensional Field Theory." In Symmetries in Science VII. Springer US, 1994. http://dx.doi.org/10.1007/978-1-4615-2956-9_24.

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Berruto, F., G. Grignani, and P. Sodano. "Chiral Symmetry Breaking in Strongly Coupled 1 + 1 Dimensional Lattice Gauge Theories." In Lattice Fermions and Structure of the Vacuum. Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-011-4124-6_9.

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Bai, Yu-Shan, and Ya-Na Liu. "Lie symmetry analysis and exact solutions of the (2+1)-dimensional generalized KdV equation." In Atlantis Highlights in Engineering. Atlantis Press International BV, 2023. http://dx.doi.org/10.2991/978-94-6463-330-6_5.

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Mishra, Shivam Kumar. "Soliton Solutions of (2+1)-Dimensional Modified Calogero-Bogoyavlenskii-Schiff (mCBS) Equation by Using Lie Symmetry Method." In Lecture Notes in Electrical Engineering. Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-1824-7_13.

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Alfakih, A. Y. "Local, Dimensional and Universal Rigidities: A Unified Gram Matrix Approach." In Rigidity and Symmetry. Springer New York, 2014. http://dx.doi.org/10.1007/978-1-4939-0781-6_3.

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Koltchinskii, Vladimir, and Lyudmila Sakhanenko. "Testing for Ellipsoidal Symmetry of a Multivariate Distribution." In High Dimensional Probability II. Birkhäuser Boston, 2000. http://dx.doi.org/10.1007/978-1-4612-1358-1_32.

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Maharana, Jnanadeva. "Spontaneous Symmetry Breaking in 4-Dimensional Heterotic String." In Differential Geometric Methods in Theoretical Physics. Springer US, 1990. http://dx.doi.org/10.1007/978-1-4684-9148-7_51.

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Tjin, T. "Finite W Symmetry in Finite Dimensional Integrable Systems." In NATO ASI Series. Springer US, 1993. http://dx.doi.org/10.1007/978-1-4899-1612-9_10.

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Wolf, Joseph A. "Principal series representations of infinite-dimensional Lie groups, I: Minimal parabolic subgroups." In Symmetry: Representation Theory and Its Applications. Springer New York, 2014. http://dx.doi.org/10.1007/978-1-4939-1590-3_19.

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Bricogne, Gerard, and Richard Tolimieri. "Two Dimensional FFT Algorithms on Data Admitting 90°-Rotational Symmetry." In Signal Processing. Springer US, 1990. http://dx.doi.org/10.1007/978-1-4684-6393-4_3.

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Actes de conférences sur le sujet "1-dimensional symmetry"

Zong, Zhen, Ryosuke Morisaki, Kanami Sugiyama, Masahiro Higashi, Takayuki Umakoshi, and Prabhat Verma. "Probing Forbidden Low-Frequency Raman Modes in MoS2 via Plasmonic Nanoparticle." In JSAP-Optica Joint Symposia. Optica Publishing Group, 2024. https://doi.org/10.1364/jsapo.2024.17a_a34_9.

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Interlayer interaction through the van der Waals forces in two-dimensional (2D) materials like molybdenum disulfide (MoS2) determine most of the layer properties, which shows up as low-frequency modes (less than 50cm-1) in Raman scattering. But the weak low-frequency signals are often obscured by background noise, requiring enhancement techniques [1]. Furthermore, detecting forbidden low-frequency Raman modes poses additional challenges. These modes, suppressed by symmetry selection rules, provide important information into molecular structures and electronic properties but are not observed in

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Cretu, Augustin, and Ioan Lazar. "On the Stress Concentration in the Axially Loaded Bolts for Some Threaded Joints." In ASME 1997 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/imece1997-1350.

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Abstract This study started from the results of the tests performed on plane and three-dimensional photoelastic models of some axially loaded bolts — examined in monochromatic polarized light (Na) — to which it was modified, step by step, the height of the bolt head, the diameter of the head, as well as the dimensions and the position of the hexagonal key hole. With these models, we studied the stress distribution and the stress concentration — using both photoelastic method and boundary element method (BEM) — in three characteristic points: A — at the top of the bolt head, on the symmetry axi

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Yazıcı, D. "(2+1)-dimensional bi-Hamiltonian system obtained from symmetry reduction of (3+1)-dimensional Hirota type equation." In TURKISH PHYSICAL SOCIETY 35TH INTERNATIONAL PHYSICS CONGRESS (TPS35). AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5135447.

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SENTHILVELAN, M., and M. TORRISI. "SYMMETRY ANALYSIS AND LINEARIZATION OF THE (2+1) DIMENSIONAL BURGERS EQUATION." In Proceedings of the 13th Conference on WASCOM 2005. WORLD SCIENTIFIC, 2006. http://dx.doi.org/10.1142/9789812773616_0064.

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Kamath, Gopinath. "Cylindrical symmetry: An aid to calculating the zeta-function in 3 + 1 dimensional curved space." In 38th International Conference on High Energy Physics. Sissa Medialab, 2017. http://dx.doi.org/10.22323/1.282.0791.

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CHERNIHA, ROMAN, and MAKSYM DIDOVYCH. "A (1+2)-DIMENSIONAL KELLER-SEGEL MODEL: LIE SYMMETRY AND EXACT SOLUTIONS FOR THE CAUCHY PROBLEM." In International Symposium on Mathematical and Computational Biology. WORLD SCIENTIFIC, 2015. http://dx.doi.org/10.1142/9789814667944_0007.

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Battaglia, Francine, and George Papadopoulos. "Bifurcation Characteristics of Flows in Rectangular Sudden Expansion Channels." In ASME 2005 Fluids Engineering Division Summer Meeting. ASMEDC, 2005. http://dx.doi.org/10.1115/fedsm2005-77098.

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The effect of three-dimensionality on low Reynolds number flows past a symmetric sudden expansion in a channel was investigated. The geometric expansion ratio of in the current study was 2:1 and the aspect ratio was 6:1. Both experimental velocity measurements and two- and three-dimensional simulations for the flow along the centerplane of the rectangular duct are presented for Reynolds numbers in the range of 150 to 600. Comparison of the two-dimensional simulations with the experiments revealed that the simulations fail to capture completely the total expansion effect on the flow, which coup

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Hartanto, A., F. P. Zen, J. S. Kosasih, L. T. Handoko, Zaki Su’ud, and A. Waris. "Dynamical symmetry breaking of SU(6) GUT in 5—dimensional spacetime with orbifold S[sup 1]∕Z[sub 2]." In THE 2ND INTERNATIONAL CONFERENCE ON ADVANCES IN NUCLEAR SCIENCE AND ENGINEERING 2009-ICANSE 2009. AIP, 2010. http://dx.doi.org/10.1063/1.4757170.

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Rollans, Mason, W. Seth Nelson, Ryan Howell, Ian Monk, and Denise Halverson. "Surfaces of Constant Width With Rotational Symmetry." In ASME 2024 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/detc2024-143723.

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Abstract Surfaces of constant width are defined as surfaces embedded in three-dimensional space having the same width in all directions. While spheres are the simplest and most common surface of constant width, non-spherical surfaces of constant width possess unique properties. For example, surfaces of constant width have less volume than spheres of the same width, potentially leading to increased efficiency in designs. In addition, surfaces of constant width typically have a finite number of stable positions. Moreover, surfaces of constant width may be comprised of piece-wise smooth surfaces,

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Tamai, Naoto, Tomoko Yamazaki, Iwao Yamazaki, and Noboru Mataga. "Fractal Behaviors in Two-Dimensional Excitation Energy Transfer on Vesicle Surface." In International Conference on Ultrafast Phenomena. Optica Publishing Group, 1986. http://dx.doi.org/10.1364/up.1986.thb3.

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Excitation energy transport and trapping in molecular assemblies have been the subject in recent theoretical and experimental photophysics. Very little is known about the dynamical characteristics of dipole-dipole energy transfer in restricted geometries of one- and two-dimensional molecular arrangements. The present paper reports on the two-dimensional excitation energy transfer between dye molecules adsorbed on vesicle surface by using a picosecond time-correlated, single-photon counting apparatus [1]. The fluorescence decay curves of the donor are analyzed on the basis of a theoretical fram

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Rapports d'organisations sur le sujet "1-dimensional symmetry"

Yazıcı, Devrim, and Hakan Sert. Symmetry Reduction of Asymmetric Heavenly Equation and 2+1-Dimensional Bi-Hamiltonian System. GIQ, 2014. http://dx.doi.org/10.7546/giq-15-2014-309-317.

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Yazici, Devrim, and Hakan Sert. Symmetry Reduction of Asymmetric Heavenly Equation and 2+1-Dimensional Bi-Hamiltonian System. Jgsp, 2014. http://dx.doi.org/10.7546/jgsp-34-2014-87-96.

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