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Relevant bibliographies by topics / Interacting Bosons (two Spin State)

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Academic literature on the topic 'Interacting Bosons (two Spin State)'

Author: Grafiati

Published: 7 September 2023

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Journal articles on the topic "Interacting Bosons (two Spin State)"

1

Quintero Angulo, G., A. Pérez Martínez, H. Pérez Rojas, and D. Manreza Paret. "(Self-)Magnetized Bose–Einstein condensate stars." International Journal of Modern Physics D 28, no. 10 (2019): 1950135. http://dx.doi.org/10.1142/s0218271819501359.

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We study magnetic field effects on the Equations-of-State (EoS) and the structure of Bose–Einstein Condensate (BEC) stars, i.e. a compact object composed by a gas of interacting spin-one bosons formed up by the pairing of two neutrons. To include the magnetic field in the thermodynamic description, we assume that particle–magnetic field and particle–particle interactions are independent. We consider two configurations for the magnetic field: one where it is constant and externally fixed, and another where it is produced by the bosons through self-magnetization. Stable configurations of self-ma

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Hamber, Herbert W., and Reiko Toriumi. "Composite leptons at the LHC." Modern Physics Letters A 29, no. 07 (2014): 1450034. http://dx.doi.org/10.1142/s0217732314500345.

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In some models of electroweak interactions the W and Z bosons are considered composites, made up of spin-[Formula: see text] subconstituents. In these models a spin-0 counterpart of the W and Z boson naturally appears, whose higher mass can be attributed to a particular type of hyperfine spin interaction among the various subconstituents. Recently, it has been argued that the scalar state could be identified with the newly discovered Higgs (H) candidate. Here, we use the known spin splitting between the W/Z and H states to infer, within the framework of a purely phenomenological model, the rel

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3

Ozansoy, A., V. Arı, and V. Çetinkaya. "Search for Excited Spin-3/2 Neutrinos at LHeC." Advances in High Energy Physics 2016 (2016): 1–10. http://dx.doi.org/10.1155/2016/1739027.

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We study the potential of the nextepcollider, namely, LHeC, with two optionss=1.3 TeV ands=1.98 TeV, to search for excited spin-1/2 and spin-3/2 neutrinos. We calculate the single production cross-section of excited spin-1/2 and spin-3/2 neutrinos according to their effective currents describing their interactions between gauge bosons and SM leptons. We choose theν⋆→eWdecay mode of excited neutrinos andW→jjdecay mode ofW-boson for the analysis. We put some kinematical cuts for the final state detectable particles and plot the invariant mass distributions for signal and the corresponding backgr

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4

YANG, ZHENWEI, JIANPING CHENG, and XIANGMING SUN. "SPIN INTERACTION EFFECTS ON MOMENTUM CORRELATIONS FOR IDENTICAL FERMIONS EMITTED IN RELATIVISTIC HEAVY-ION COLLISIONS." Modern Physics Letters A 22, no. 02 (2007): 131–39. http://dx.doi.org/10.1142/s0217732307020920.

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The Hanbury-Brown and Twiss (HBT) effects predict a Bose–Einstein enhancement of the two-particle momentum correlations of identical bosons at small relative momentum. However, the parallel momentum correlations between identical fermions are less argued. The momentum correlations can be altered by many factors, among which the spin interaction effects are discussed in this paper. It is found that the spin interaction plays an important role on the momentum correlations of identical fermions. For spin triplet state, a full Fermi–Dirac suppression represents as expected. On the contrary, a fake

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5

VORRATH, TILL, TOBIAS BRANDES, and BERNHARD KRAMER. "DYNAMICS OF A LARGE-SPIN-BOSON SYSTEM IN THE STRONG COUPLING REGIME." International Journal of Modern Physics B 17, no. 28 (2003): 5489–93. http://dx.doi.org/10.1142/s0217979203020624.

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We investigate collective effects of an ensemble of biased two-level systems interacting with a bosonic bath in the strong coupling regime. The two level systems are described by a large pseudo-spin J. An equation for the expectation value M(t) of the z-component of the pseudo spin is derived and solved numerically for an ohmic bath at T=0. In case of a large cut-off frequency of the spectral function, a Markov approximation is justified and an analytical solution is presented. We find that M(t) relaxes towards a highly correlated state with maximum value ±J for large times. However, this rela

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LEMKE, E. H. "PHOTOPRODUCTION OF WEAK VECTOR BOSONS IN A SPINOR THEORY." International Journal of Modern Physics A 08, no. 22 (1993): 3883–908. http://dx.doi.org/10.1142/s0217751x93001570.

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We put forward the hypothesis that the weak W boson be a compound of two 2-component Lorentz spinors. The resulting novel γWW vertex is no gauge field structure. Nevertheless, the Born amplitude of γγ→WLWL respects partial-wave unitarity. As in the Yang-Mills case, the amplitude consists of a direct term, a crossed term, and a sea-gull term, and no unobserved particles are to be involved to get the “good” high-energy behavior. This is due to an imaginary pseudoscalar γWW interaction term. Significant differences between angular distributions and total cross sections of the non-Abelian case and

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7

KOTA, V. K. B. "TWO-BODY ENSEMBLES WITH GROUP SYMMETRIES FOR CHAOS AND REGULAR STRUCTURES." International Journal of Modern Physics E 15, no. 08 (2006): 1869–83. http://dx.doi.org/10.1142/s0218301306005241.

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The simplest of the two-body random matrix ensembles (TBRE) is the embedded Gaussian orthogonal ensemble of two-body interactions [EGOE(2)] for spinless fermion systems. With m fermions in N single particle states, EGOE(2) and similarly EGUE(2) [the embedded Gaussian unitary ensemble] are generated by the SU(N) algebra. For these ensembles results, obtained using SU(N) Wigner-Racah algebra, for lower order cross correlations between spectra with different particle numbers are given. For fermions with spin degree of freedom one has EGOE(2)-s and similarly EGUE(2)-s, both generated by U(2Ω) ⊃ U(

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8

BARENTZEN, HEINZ, and VIKTOR OUDOVENKO. "A SELF-CONSISTENT ANALYTIC THEORY OF THE SPIN BIPOLARON IN THE t–J MODEL." International Journal of Modern Physics B 14, no. 08 (2000): 809–35. http://dx.doi.org/10.1142/s0217979200000674.

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The spin bipolaron in the t–J model, i.e., two holes interacting with an antiferromagnetic spin background, is treated by an extension of the self-consistent Born approximation (SCBA), which has proved to be very accurate in the single-hole (spin polaron) problem. One of the main ingredients of our approach is the exact form of the bipolaron eigenstates in terms of a complete set of two-hole basis vectors. This enables us to eliminate the hole operators and to obtain the eigenvalue problem solely in terms of the boson (magnon) operators. The eigenvalue equation is then solved by a procedure si

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9

ADLER, STEPHEN L. "FERMION-SECTOR FRUSTRATED SU(4) AS A PREONIC PRECURSOR OF THE STANDARD MODEL." International Journal of Modern Physics A 14, no. 12 (1999): 1911–34. http://dx.doi.org/10.1142/s0217751x99000968.

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We give a model for composite quarks and leptons based on the semisimple gauge group SU(4), with the preons in the 10 representation; this choice of gauge gluon and preon multiplets is motivated by the possibility of embedding them in an N=6 supergravity multiplet, with the preons and antipreons both in the 20 of SU(6). Hypercolor singlets are forbidden in the fermionic sector of this theory; we propose that the SU(4) symmetry spontaneously breaks to SU (3)× U (1), with the binding of triality nonzero preons and gluons into composites, and with the formation of a color singlet condensate that

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10

Winterberg, F. "Substratum Approach to a Unified Theory of Elementary Particles." Zeitschrift für Naturforschung A 43, no. 12 (1988): 1131–50. http://dx.doi.org/10.1515/zna-1988-1219.

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If special relativity is a dynamic symmetry caused by true physical deformations of bodies in absolute motion through a substratum or ether, the question if all interactions and elementary particles arc excitations of this ether must be raised. The ether being the cause of all the observed relativistic effects should then obey an exactly nonrelativistic law of motion, and which permits it to consist of positive and negative masses. The fundamental constants of nature, which according to Planck are 1) Newton's constant (G), 2) the velocity of light (c) and 3) Planck’s constant (ћ), suggest that

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