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相关论文: Chiral dynamics in a magnetic field from the funct…

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We study the nontrivial dispersion relation of mesons resulting from the splitting of the transversal and longitudinal mesonic wave function renormalizations, and its influences on the QCD phase transition, equation of state, and the…

高能物理 - 唯象学 · 物理学 2019-12-04 Shi Yin , Rui Wen , Wei-jie Fu

We have studied the zero temperature phase diagram of XYZ model in the presence of transverse magnetic field. We show that small anisotropy (0 =< Delta <1) is not relevant to change the universality class. The phase diagram consists of two…

强关联电子 · 物理学 2016-08-31 A. Langari

The zero temperature phase diagram of a one-dimensional S=2 Heisenberg ferromagnet with single-ion cubic anisotropy is studied numerically using the density-matrix renormalization group method. Evidence is found that although the model does…

凝聚态物理 · 物理学 2009-10-31 M. Dudzinski , G. Fath , J. Sznajd

We investigate the magnetism of QCD matter and pion mass under magnetic field considering the contribution from the tensor-type spin polarization and the anomalous magnetic moment (AMM) of quarks. It is found that the tensor-type spin…

高能物理 - 唯象学 · 物理学 2022-07-27 Fan Lin , Kun Xu , Mei Huang

We generalize the potential reconstruction method to set up a dynamical Einstein-Born-Infeld-dilaton model, which we then use to study holographic quarkonium melting in an external magnetic field. The non-linear nature of the model allows…

高能物理 - 理论 · 物理学 2024-12-18 Siddhi Swarupa Jena , Jyotirmoy Barman , Bruno Toniato , David Dudal , Subhash Mahapatra

We compute the magnetic susceptibility of the quark condensate and the polarization of quarks at zero temperature and in a uniform magnetic background. Our theoretical framework consists of two chiral models that allow to treat…

高能物理 - 唯象学 · 物理学 2011-07-06 Marco Frasca , Marco Ruggieri

We investigate the chiral properties of QCD in presence of a magnetic background field and in the low temperature regime, by lattice numerical simulations of N_f = 2 QCD. We adopt a standard staggered discretization, with a pion mass around…

高能物理 - 格点 · 物理学 2011-07-04 Massimo D'Elia , Francesco Negro

In the presence of a strong magnetic field, the quark gluon plasma is magnetized, leading to anisotropic transport coefficients. In this work, we focus on the effect of magnetization on electric conductivity, ignoring the possible…

高能物理 - 理论 · 物理学 2019-09-26 Wei Li , Shu Lin , Jiajie Mei

We extend chiral perturbation theory to study a meson gas out of thermal equilibrium. Assuming that the system is initially in equilibrium below the critical temperature and working within the Schwinger-Keldysh contour technique, we define…

高能物理 - 唯象学 · 物理学 2009-10-31 A. Gomez Nicola , V. Galan-Gonzalez

We extend our analysis of holographic meson dissociation in the presence of an intense magnetic field. In addition to the previously known critical temperature above which the mesons melt, we found that for certain magnetic field…

高能物理 - 理论 · 物理学 2020-06-09 Daniel Ávila , Leonardo Patiño

We study the influence of the chiral phase transition on the chiral magnetic effect. The chiral electric current density along the magnetic field, the electric charge difference between on each side of the reaction plane, and the azimuthal…

高能物理 - 唯象学 · 物理学 2015-05-18 Wei-jie Fu , Yu-xin Liu , Yue-liang Wu

We investigate both (pseudo)scalar mesons and diquarks in the presence of external magnetic field in the framework of the two-flavored Nambu--Jona-Lasinio (NJL) model, where mesons and diquarks are constructed by infinite sum of quark-loop…

高能物理 - 唯象学 · 物理学 2018-04-25 Hao Liu , Xinyang Wang , Lang Yu , Mei Huang

We study the finite temperature behavior of light scalar and pseudoscalar meson properties in the context of a three-flavor nonlocal chiral quark model. The model includes mixing with active strangeness degrees of freedom, and takes care of…

高能物理 - 唯象学 · 物理学 2010-04-06 G. A. Contrera , D. Gomez Dumm , Norberto N. Scoccola

We present two-loop results for the quark condensate in an external magnetic field within chiral perturbation theory using coordinate space techniques. At finite temperature, we explore the impact of the magnetic field on the pion-pion…

高能物理 - 唯象学 · 物理学 2020-11-18 Christoph P. Hofmann

We illustrate that both of massless pseudoscalar meson fields and constitutent quark fields are dynamical field degrees of freedom in energy region between chiral symmetry spontaneously broken scale and quark confinement scale. This…

高能物理 - 唯象学 · 物理学 2007-05-23 X. -J. Wang , M. -L. Yan

We investigate meson and nucleon dynamics at finite baryon density and temperature by coupling the nucleon field and the omega meson to the three-flavor linear sigma model and calculate hadronic properties around the nuclear liquid-gas…

核理论 · 物理学 2018-08-22 G. Fejos , A. Hosaka

We compute the vacuum one-loop quark-gluon vertex correction at zero temperature in the presence of a magnetic field. From the vertex function we extract the effective quark-gluon coupling and show that it grows with increasing magnetic…

高能物理 - 唯象学 · 物理学 2016-06-01 Alejandro Ayala , C. A. Dominguez , L. A. Hernandez , M. Loewe , R. Zamora

We analyze chiral symmetry breaking in quark matter in an external magnetic field at zero and finite temperature and quark chemical potential. We first give a brief overview of analytic results within the mean-field approximation. There the…

高能物理 - 唯象学 · 物理学 2015-06-04 Kenji Fukushima , Jan M. Pawlowski

Changes in the magnetic moment of an electron near a dielectric or conducting surface due to boundary-dependent radiative corrections are investigated. The electromagnetic field is quantized by normal mode expansion for a non-dispersive…

量子物理 · 物理学 2013-07-12 Robert Bennett , Claudia Eberlein

We study consistently the effects of magnetic field on hot and dense matter. In particular, we look for differences that arise due to assumptions that reproduce the conditions produced in particle collisions or astrophysical scenarios, such…

核理论 · 物理学 2023-09-28 J. Peterson , P. Costa , R. Kumar , V. Dexheimer , R. Negreiros , C. Providencia