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The chiral magnetic effect (CME) in quantum chromodynamics (QCD) refers to a charge separation (an electric current) of chirality imbalanced quarks generated along an external strong magnetic field. The chirality imbalance results from…

Nuclear Experiment · Physics 2019-06-28 Jie Zhao , Fuqiang Wang

The response of chiral fermions to time and space dependent axial imbalance & constant magnetic field is analyzed. The axialvector-vector-vector (AVV) three-point function is studied using a real-time approach at finite temperature in the…

High Energy Physics - Phenomenology · Physics 2020-05-01 Miklos Horvath , Defu Hou , Jinfeng Liao , Hai-cang Ren

We elaborate the quasiclassical approach to obtain the modified chiral magnetic effect in the case when massless charged fermions interact with electromagnetic fields and the background matter by the electroweak forces. The derivation of…

High Energy Physics - Phenomenology · Physics 2018-03-16 Maxim Dvornikov , Victor B. Semikoz

We discussed the possibility that the charged axial currents of matter fields could be non-conserved in electromagnetic interaction at $O(e) $ order. It means that chiral symmetry is broken explicitly by electromagnetic interaction. This…

Nuclear Theory · Physics 2007-05-23 Myung Ki Cheoun , K. S. Kim , Il-Tong Cheon

A space-time dependent node separation in Weyl semimetals acts as an axial vector field. Coupled with domain wall motion in magnetic Weyl semimetals, this induces axial electric and magnetic fields localized at the domain wall. We show how…

Mesoscale and Nanoscale Physics · Physics 2020-12-07 Julia D. Hannukainen , Yago Ferreiros , Alberto Cortijo , Jens H. Bardarson

We present a field theoretical model of anomalous transport in Weyl semi-metals. We calculate the Chiral Magnetic and Chiral Vortical Effect in the electric, axial (valley) and energy current. Our findings coincide with the results of a…

High Energy Physics - Theory · Physics 2014-02-26 Karl Landsteiner

Recently there has been significant interest in the macroscopic manifestation of chiral anomaly in many-body systems of chiral fermions. A notable example is the Chiral Magnetic Effect (CME). Enthusiastic efforts have been made to search…

High Energy Physics - Phenomenology · Physics 2018-02-06 Anping Huang , Yin Jiang , Shuzhe Shi , Jinfeng Liao , Pengfei Zhuang

The axial magnetic field, which couples to left- and right-handed fermions with opposite signs, may generate an equilibrium dissipationless energy flow of fermions in the direction of the field even in the presence of interactions. We…

High Energy Physics - Lattice · Physics 2013-10-30 V. Braguta , M. N. Chernodub , K. Landsteiner , M. I. Polikarpov , M. V. Ulybyshev

In the presence of the fluid helicity $\boldsymbol{v} \cdot \boldsymbol{\omega}$, the magnetic field induces an electric current of the form $\boldsymbol{j} = C_{\rm HME} (\boldsymbol{v} \cdot \boldsymbol{\omega}) \boldsymbol{B}$. This is…

High Energy Physics - Theory · Physics 2021-06-08 Naoki Yamamoto , Di-Lun Yang

The hot and dense medium produced in relativistic heavy-ion collisions has been conjectured to be accompanied by an axial charge asymmetry that may lead to a separation of electric charges in the direction of the extremely strong magnetic…

Nuclear Experiment · Physics 2022-02-16 Yu Hu

Negative magnetoresistance in Dirac semimetals is typically considered as a manifestation of chiral magnetic effect (CME). The relation between these two phenomena has the status of a hypothesis and is based on sequence of assumptions. We…

Mesoscale and Nanoscale Physics · Physics 2026-01-13 R. A. Abramchuk , M. A. Zubkov

The chiral vortical effect (CVE) -- an axial current driven by rotation in chiral matter -- appears in systems ranging from relativistic fluids to Weyl semimetals, yet its quantum origin remains unclear because existing derivations are…

Strongly Correlated Electrons · Physics 2026-04-03 B. Q. Song , Pavan Hosur

The chiral magnetic effect (CME) is an exact statement that connects via the axial anomaly the electric current in a system consisting of interacting fermions and gauge field with chirality imbalance that is put into a strong external…

High Energy Physics - Phenomenology · Physics 2020-04-17 L. Ya. Glozman

The correlations of electric currents in hot non-Abelian plasma are responsible for the experimental manifestations of the chiral magnetic effect (CME) in heavy-ion collisions. We evaluate these correlations using holography, and show that…

High Energy Physics - Phenomenology · Physics 2023-12-19 Sebastian Grieninger , Dmitri E. Kharzeev

Axial charge imbalance is an essential ingredient in novel effects associated with chiral anomaly such as chiral magnetic effects (CME). In a non-Abelian plasma with chiral fermions, local axial charge can be generated a) by topological…

High Energy Physics - Theory · Physics 2015-08-18 Ioannis Iatrakis , Shu Lin , Yi Yin

We discuss various mechanisms for the creation of an asymmetric charge fluctuation with respect to the reaction plane among hadrons emitted in relativistic heavy-ion collisions. We show that such mechanisms exist in both, the hadronic gas…

High Energy Physics - Phenomenology · Physics 2015-03-13 Masayuki Asakawa , Abhijit Majumder , Berndt Müller

Recent measurements of charge-dependent azimuthal correlations in high-energy heavy-ion collisions have indicated charge-separation signals perpendicular to the reaction plane, and have been related to the chiral magnetic effect (CME).…

Nuclear Theory · Physics 2017-11-29 Fufang Wen , Jacob Bryon , Liwen Wen , Gang Wang

We report our recent progress on the search of Chiral Magnetic Effect (CME) by developing new measurements as well as by hydrodynamic simulations of CME and background effects, with both approaches addressing the pressing issue of…

Nuclear Theory · Physics 2016-11-23 Xu-Guang Huang , Yi Yin , Jinfeng Liao

Torsional strain in Weyl semimetals excites a unidirectional chiral density wave propagating in the direction of the torsional vector. This gapless excitation, named the chiral sound wave, is generated by a particular realization of the…

Mesoscale and Nanoscale Physics · Physics 2020-12-24 Matteo Baggioli , Maxim N. Chernodub , Karl Landsteiner , Maria A. H. Vozmediano

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