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Related papers: Chiral asymmetry in QED matter in a magnetic field

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In the presence of cosmic chiral asymmetry, chiral-vorticity and chiral-magnetic effects can play an important role in the generation and evolution of magnetic fields in the early universe. We include these chiral effects in the magnetic…

Cosmology and Nongalactic Astrophysics · Physics 2013-05-30 Hiroyuki Tashiro , Tanmay Vachaspati , Alexander Vilenkin

The non-perturbative Schwinger-Dyson equation is used to show that chiral symmetry is dynamically broken in QED at weak gauge couplings when an external uniform magnetic field is present. A complete analysis of this phenomenon may shed…

High Energy Physics - Theory · Physics 2007-05-23 Y. Jack Ng

We describe a (first, to the best of our knowledge) essentially soluble example of dynamical symmetry breaking phenomenon in a 3+1 dimensional gauge theory without fundamental scalar fields: QED in a constant magnetic field.

High Energy Physics - Theory · Physics 2009-10-31 V. P. Gusynin , V. A. Miransky , I. A. Shovkovy

We study the modification of the chiral phase structure of QCD due to an external magnetic field. We first demonstrate how the effect of magnetic field can systematically be incorporated into a generalized Ginzburg-Landau framework. We then…

High Energy Physics - Phenomenology · Physics 2018-09-19 H. Abuki

Considering the density wave of scalar and pseudoscalar condensates, we study the response of quark matter to a weak external magnetic field. In an external magnetic field, the energy spectrum of the lowest Landau level becomes asymmetric…

High Energy Physics - Phenomenology · Physics 2015-12-16 Ryo Yoshiike , Kazuya Nishiyama , Toshitaka Tatsumi

We first note the peculiar property of the pion as the pseudoscalar particle, which play the essential role in realizing the basic properties of the nuclear matter such as the density/energy saturations. Then, we introduce the notion of…

Nuclear Theory · Physics 2026-05-06 Teiji Kunihiro

The chiral anomaly is a quantum mechanical effect for massless Dirac fermions in both particle physics and condensed matter physics. Here we present a set of effective models for single massless Dirac fermions in one- and three-dimensions…

Mesoscale and Nanoscale Physics · Physics 2025-09-11 Huan-Wen Wang , Bo Fu , Shun-Qing Shen

We propose a novel lattice calculation of spontaneous chiral symmetry breaking in QED model with 2+1 dimensional fermion brane. Considering the relativistic action with gauge symmetry we rigorously carry out path integral in Monte-Carlo…

High Energy Physics - Lattice · Physics 2012-11-29 Eigo Shintani , Tetsuya Onogi

We study some properties of the non-Abelian vacuum induced by strong external magnetic field. We perform calculations in the quenched SU(3) lattice gauge theory with tadpole-improved Luscher-Weisz action and chirally invariant lattice Dirac…

High Energy Physics - Lattice · Physics 2015-05-20 V. V. Braguta , P. V. Buividovich , T. Kalaydzhyan , S. V. Kuznetsov , M. I. Polikarpov

We study a planar four-Fermi Gross-Neveu model in the presence of a tilted magnetic field, with components parallel and perpendicular to the system's plane. We determine how this combination of magnetic field components, when applied…

High Energy Physics - Phenomenology · Physics 2023-05-05 Rudnei O. Ramos , Patrícia H. A. Manso

The pattern of chiral symmetry breaking is exploited to compute vector and axial-vector pion matrix elements in a uniform magnetic field. Our results are model independent, and thereby constitute low-energy theorems that must be obeyed by…

High Energy Physics - Phenomenology · Physics 2024-06-04 Prabal Adhikari , Brian C. Tiburzi

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

Weyl semimetals (WSMs) are topological quantum states wherein the electronic bands linearly disperse around pairs of nodes, the Weyl points, of fixed (left or right) chirality. The recent discovery of WSM materials triggered an experimental…

The linear band crossings of 3D Dirac and Weyl semimetals are characterized by a charge chirality, the parallel or anti-parallel locking of electron spin to its momentum. Such materials are believed to exhibit a ${\bf E} \cdot {\bf B}$…

Materials Science · Physics 2021-06-01 Bing Cheng , Timo Schumann , Susanne Stemmer , N. P. Armitage

We investigate the effect of a uniform background magnetic field on the chiral symmetry breaking in SU(2) Yang-Mills theory on the lattice. We observe that the chiral condensate grows linearly with the field strength B up to \sqrt{e B} = 3…

High Energy Physics - Lattice · Physics 2009-12-14 P. V. Buividovich , M. N. Chernodub , E. V. Luschevskaya , M. I. Polikarpov

The chiral plasmon modes of relativistic matter in background magnetic and strain-induced pseudomagnetic fields are studied in detail using the consistent chiral kinetic theory. The results reveal a number of anomalous features of these…

Mesoscale and Nanoscale Physics · Physics 2017-03-27 E. V. Gorbar , V. A. Miransky , I. A. Shovkovy , P. O. Sukhachov

The catalysis of chiral symmetry breaking in the massless weakly coupled QED in a magnetic field at finite temperature is studied. The temperature of the symmetry restoration is estimated analytically as $T_c\simeq m_{dyn}$, where $m_{dyn}$…

High Energy Physics - Phenomenology · Physics 2016-09-06 V. P. Gusynin , I. A. Shovkovy

The properties of the ground state of relativistic matter in a magnetic field are examined within the framework of a Nambu-Jona-Lasinio model. The main emphasis of this study is the normal ground state, which is realized at sufficiently…

High Energy Physics - Phenomenology · Physics 2015-03-18 E. V. Gorbar , V. A. Miransky , I. A. Shovkovy

Chirality is a ubiquitous concept in modern science, from particle physics to biology. In quantum physics, chirality of fermions is linked to topology of gauge fields by the chiral anomaly. While the chiral anomaly is usually associated…

High Energy Physics - Phenomenology · Physics 2022-04-26 Dmitri E. Kharzeev

The effect of the isospin/charge asymmetry and an external magnetic field in the location of the critical end point (CEP) in the QCD phase diagram is investigated. By using the 2+1 flavor Nambu--Jona-Lasinio model with Polyakov loop (PNJL),…

High Energy Physics - Phenomenology · Physics 2015-08-10 Pedro Costa , Márcio Ferreira , Constança Providência , Hubert Hansen , Débora P. Menezes