English
Related papers

Related papers: Competition between magnetic catalysis effect and …

200 papers

We study the time evolution of the chirality imbalance $n_5$ and the chiral magnetic effect (CME) under the external parallel electromagnetic fields without assuming the artificial chiral asymmetric source. We adopt the time-dependent…

High Energy Physics - Phenomenology · Physics 2021-02-10 Hayato Aoi , Katsuhiko Suzuki

In this article we address the subject of finding the behavior of a charged scalar field $\phi$ under the influence of external constant magnetic and electric fields, perpendicular to each other, including also thermal effects. For this…

High Energy Physics - Phenomenology · Physics 2023-04-04 M. Loewe , D. Valenzuela , R. Zamora

In this article we study chiral symmetry breaking for quark matter in a magnetic background, $\bm B$, at finite temperature and quark chemical potential, $\mu$, making use of the Ginzburg-Landau effective action formalism. As a microscopic…

High Energy Physics - Phenomenology · Physics 2015-06-18 M. Ruggieri , L. Oliva , P. Castorina , R. Gatto , V. Greco

We investigate the influence of an external magnetic field on chiral symmetry breaking in the Nambu-Jona-Lasinio (NJL) model at finite temperature and chemical potential. According to the Fock-Schwinger proper-time method, we calculate the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Tomohiro Inagaki , Daiji Kimura , Tsukasa Murata

The chiral magnetic effect is a phenomenon where an electromagnetic current is generated along a magnetic field. Recently, in nonequilibrium systems, negative longitudinal magnetoresistance has been observed experimentally in Dirac/Weyl…

Mesoscale and Nanoscale Physics · Physics 2017-04-18 Yohei Ibe , Hiroaki Sumiyoshi

The magnetic field plays a major role in the searching of the chiral magnetic effect in relativistic heavy-ion collisions. If the lifetime of the magnetic field is too short, as expected by simulations of the field in the vacuum, the chiral…

Nuclear Theory · Physics 2018-03-20 Sheng-Qin Feng , Xin Ai , Lei Pei , Fei Sun , Yang Zhong , Zhong-Bao Yin

The chiral magnetic effect (CME) is a highly discussed effect in heavy-ion collisions stating that, in the presence of a magnetic field B, an electric current is generated in the background of topologically nontrivial gluon fields. We…

High Energy Physics - Theory · Physics 2013-01-29 Ingo Kirsch , Tigran Kalaydzhyan

The influence of the magnetic field on the pion superfluidity and the phase structure is analyzed in the framework of the two-flavor Nambu--Jona-Lasinio(NJL) model. To do this, we first derive the thermodynamic potential from the Lagrangian…

High Energy Physics - Phenomenology · Physics 2013-10-14 Xiaohan Kang , Meng Jin , Juan Xiong , Jiarong Li

Recently, it was found in QED that the generation of a dynamical electron mass in a strong magnetic field is significantly enhanced by the perturbative electron mass. In the present paper, the related question of a possible enhancement of…

High Energy Physics - Phenomenology · Physics 2008-11-26 K. G. Klimenko , V. Ch. Zhukovsky

We give an elementary derivation of the chiral magnetic effect based on a strong magnetic field lowest-Landau-level projection in conjunction with the well-known axial anomalies in two- and four-dimensional space-time. The argument is…

High Energy Physics - Theory · Physics 2013-09-26 Gokce Basar , Gerald V. Dunne

We calculate the electron self-energy in a magnetized QED plasma to the leading perturbative order in the coupling constant and to the linear order in an external magnetic field. We find that the chiral asymmetry of the normal ground state…

High Energy Physics - Phenomenology · Physics 2013-07-31 E. V. Gorbar , V. A. Miransky , I. A. Shovkovy , Xinyang Wang

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…

High Energy Physics - Phenomenology · Physics 2016-06-01 Alejandro Ayala , C. A. Dominguez , L. A. Hernandez , M. Loewe , R. Zamora

We investigate the effect of a magnetic field on the vacuum of low-temperature QCD at large-N_c in the presence of a chiral chemical potential, using the holographic Sakai-Sugimoto model. Above some critical chemical potential we find an…

High Energy Physics - Theory · Physics 2015-06-11 Alfonso Ballon-Bayona , Kasper Peeters , Marija Zamaklar

The influence of scalar field interactions in the magnetic catalysis phenomenom is studied in a gauge theory with scalar and fermion fields. It is shown that the external magnetic field catalyzes the appearance of a fermion-antifermion…

High Energy Physics - Phenomenology · Physics 2009-10-31 E. J. Ferrer , V. de la Incera

We discuss equilibrium relativistic fermionic systems in lattice regularization, and extend the consideration of chiral magnetic effect to systems with spatial inhomogeneity and finite temperature. Besides, we take into account interactions…

High Energy Physics - Phenomenology · Physics 2022-01-19 Chitradip Banerjee , Meir Lewkowicz , M. A. Zubkov

The quark-gluon matter produced in relativistic heavy-ion collisions may contain local domains in which P and CP symmetries are not preserved. When coupled with an external magnetic field, such P- and CP-odd domains will generate electric…

Nuclear Theory · Physics 2016-11-02 Wei-Tian Deng , Xu-Guang Huang , Guo-Liang Ma , Gang Wang

We study the phase diagram for strongly interacting matter using the 't Hooft determinant extended Nambu--Jona-Lasinio model with a Polyakov loop in the light and strange quark sectors (\emph{up}, \emph{down} and \emph{strange}) focusing on…

High Energy Physics - Phenomenology · Physics 2021-04-13 João Moreira , Pedro Costa , Tulio E. Restrepo

The low-energy two neutrino-two photon interactions in the presence of homogeneous magnetic field are studied. The cross sections in external magnetic field are shown to be larger than in vacuum by factor $\sim (m_W /m_e) ^4(B/B_c) ^2$. The…

High Energy Physics - Phenomenology · Physics 2008-02-03 Shaisultanov R

We propose the mean field dynamo model for the generation of strongest magnetic fields, $B\sim 10^{15}\,{\rm G}$, in a neutron star (NS) accounting for the chiral magnetic effect (CME) driven by the shock in a supernova (SN) progenitor of…

High Energy Astrophysical Phenomena · Physics 2020-04-08 Maxim Dvornikov , V. B. Semikoz , D. D. Sokoloff

The standard chiral perturbation theory is known to predict much weaker effects in magnetic field, than found in numerical lattice data. To overcome this disagreement we are using the effective chiral confinement Lagrangian, $L_{ECCL}$,…

High Energy Physics - Phenomenology · Physics 2018-12-05 M. A. Andreichikov , Yu. A. Simonov
‹ Prev 1 8 9 10 Next ›