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We have observed marked transport anisotropy in short period (a=92 nm) unidirectional lateral superlattices around filling factors nu=5/2 and 7/2: magnetoresistance shows a sharp peak for current along the modulation grating while a dip…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 A. Endo , Y. Iye

With the Schwinger's proper-time formalism of the Nambu-Jona-Lasinio model, we investigate the finite volume effects in the presence of magnetic fields. Since the coupling constant $G$ can be influenced by strong magnetic fields, the model…

High Energy Physics - Phenomenology · Physics 2023-09-27 Shou-Zheng Su , Ye-Yin Zhao , Xin-Jian Wen

Using an anomalous transport model for massless quarks and antiquarks, we study the effect of a magnetic field on the elliptic flows of quarks and antiquarks in relativistic heavy ion collisions. With initial conditions from a blast wave…

Nuclear Theory · Physics 2016-10-19 Yifeng Sun , Che-Ming Ko , Feng Li

The kurtosis and skewness of net baryon-number fluctuations are studied for the magnetized phase diagram of three-flavor quark matter within the Polyakov extended Nambu$-$Jona-Lasinio model. Two models with magnetic catalysis and inverse…

High Energy Physics - Phenomenology · Physics 2018-08-28 Márcio Ferreira , Pedro Costa , Constança Providência

Based on the two flavor NJL model with a proper time regularization, we used stationary wave condition (SWC) for the first time to study the influence of the finite volume effects on the chiral phase transition of quark matter at finite…

High Energy Physics - Phenomenology · Physics 2019-01-30 Qingwu. Wang , Yonghui. Xiq , Hongshi. Zong

The properties of the chiral phase transition at finite temperature and chemical potential are investigated within a nonlocal covariant extension of the Nambu-Jona-Lasinio model based on a separable quark-quark interaction. We consider both…

High Energy Physics - Phenomenology · Physics 2009-10-31 I. General , D. Gomez Dumm , N. N. Scoccola

The problem of anisotropic pressures arising as a consequence of the spatial symmetry breaking introduced by an external magnetic field in quantum systems is discussed. The role of the conservation of energy and momentum of external fields…

Astrophysics · Physics 2009-02-11 A. Perez Martinez , H. Perez Rojas , H. Mosquera Cuesta

We study the two-flavor Nambu--Jona-Lasinio model with the Polyakov loop (PNJL model) in the presence of a strong magnetic field and a chiral chemical potential $\mu_5$ which mimics the effect of imbalanced chirality due to QCD instanton…

High Energy Physics - Phenomenology · Physics 2014-11-20 Kenji Fukushima , Marco Ruggieri , Raoul Gatto

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…

High Energy Physics - Phenomenology · Physics 2015-06-04 Kenji Fukushima , Jan M. Pawlowski

In the present work we use the mean field approximation to investigate quark matter described by the su(3) Nambu-Jona-Lasinio model subject to a strong magnetic field. We consider two cases: pure quark matter and quark matter in…

Nuclear Theory · Physics 2009-12-31 D. P. Menezes , M. Benghi Pinto , S. S. Avancini , C. Providencia

We discuss the (spontaneous) chiral symmetry breaking in a strongly coupled anisotropic quark-gluon plasma (QGP) in the presence of the magnetic field, using holography. The physical quantities related to the chiral symmetry breaking…

High Energy Physics - Theory · Physics 2014-03-26 Mohammad Ali-Akbari , Hajar Ebrahim

We show that ions at the low densities and high magnetic fields relevant to the outer crust of magnetars form a novel crystalline phase where ions are strongly coupled along the magnetic field and loosely coupled in the transverse…

High Energy Astrophysical Phenomena · Physics 2013-12-03 Paulo F. Bedaque , Simin Mahmoodifar , Nathan Ng , Srimoyee Sen

In this study, we investigate the Nambu--Jona-Lasinio (NJL) model at finite temperature and finite density in an external magnetic field using the functional renormalization group. We investigate the dependence of the position of the…

High Energy Physics - Phenomenology · Physics 2016-01-18 Ken-Ichi Aoki , Hidenari Uoi , Masatoshi Yamada

The thermodynamic characteristics of hot $\beta$-equilibrium electrically neutral three-flavor quark matter at neutrino confinement are investigated. For the thermodynamic description of such a quark-lepton system, the local SU (3)…

Nuclear Theory · Physics 2021-11-03 G. S. Hajyan , G. B. Alaverdyan

We investigate the static $\overline{Q}Q$-potential for $N_f = 2+1$ QCD at the physical point in the presence of a constant and uniform external magnetic field. The potential is found to be anisotropic and steeper in the directions…

High Energy Physics - Lattice · Physics 2014-06-24 Claudio Bonati , Massimo D'Elia , Marco Mariti , Michele Mesiti , Francesco Negro , Francesco Sanfilippo

The influence of a constant magnetic field on the order parameter of the four-dimensional Nambu and Jona-Lasinio model extended by the 't Hooft six-quark term and eight-quark interactions is considered. It is shown that the multi-quark…

High Energy Physics - Phenomenology · Physics 2009-10-14 A. A. Osipov , B. Hiller , A. H. Blin , J. da Providencia

We study neutral and charged meson properties in magnetic field. Taking bosolization method in a two-flavor Nambu--Jona-Lasinio model, we derive effective meson Lagrangian density with minimal coupling to the magnetic field, by employing…

High Energy Physics - Phenomenology · Physics 2018-02-28 Ziyue Wang , Pengfei Zhuang

We investigate the influence of quark anomalous magnetic moments (AMMs) on the mass spectra of neutral pseudoscalar mesons ($\pi$, $K$, $\eta$, $\eta^{'}$) under external magnetic fields, finite temperatures, and quark chemical potentials…

High Energy Physics - Phenomenology · Physics 2025-08-18 Chang-Yong Yang , Sheng-Qin Feng

We have investigated how a strong magnetic field (B) could decipher the anisotropic interaction in heavy quark ($Q$) and antiquark ($\bar Q$) bound states through the perturbative thermal QCD in real-time formalism. So we thermalize…

High Energy Physics - Phenomenology · Physics 2020-04-21 Salman Ahamad Khan , Binoy Krishna Patra , Mujeeb Hasan

Using the 2+1 flavor Nambu--Jona-Lasinio (NJL) model with the Polyakov loop, we determine the structure of the QCD phase diagram in an external magnetic field. Beyond the usual NJL model with constant couplings, we also consider a variant…

High Energy Physics - Phenomenology · Physics 2017-12-25 Márcio Ferreira , Pedro Costa , Constança Providência