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The Chiral Magnetic Effect (CME) is a remarkable phenomenon that stems from highly nontrivial interplay of QCD chiral symmetry, axial anomaly, and gluonic topology. It is of fundamental importance to search for the CME in experiments. The…

Nuclear Theory · Physics 2016-11-23 Jinfeng Liao

Chiral Magnetic Effect (CME) is the macroscopic manifestation of the fundamental chiral anomaly in a many-body system of chiral fermions, and emerges as anomalous transport current in hydrodynamic framework. Experimental observation of CME…

Nuclear Theory · Physics 2019-03-20 Shuzhe Shi , Yin Jiang , Elias Lilleskov , Jinfeng Liao

We propose a mechanism to generate dissipationless current in time reversal symmetry breaking Weyl semimetals through the anomalous chiral magnetic effect (ACME). The ACME current is induced by chiral imbalance and flows along the direction…

Mesoscale and Nanoscale Physics · Physics 2021-09-21 Long Liang

We investigate the existence (or lack thereof) of the chiral magnetic effect in the framework of finite temperature field theory, studied through the path integral approach and regularized via the zeta function technique. We show that,…

Mesoscale and Nanoscale Physics · Physics 2020-12-02 C. G. Beneventano , M. Nieto , E. M. Santangelo

Based on a holographic far-from-equilibrium calculation of the chiral magnetic effect~(CME) in an expanding quark gluon plasma, we study collisions at various energies. We compute the time evolution of the CME current in the presence of a…

High Energy Physics - Phenomenology · Physics 2022-03-23 Casey Cartwright , Matthias Kaminski , Bjoern Schenke

Considering the magnetic field response of the QGP medium, we perform a systematical study of the chiral magnetic effect(CME), and make a comparison it with the experimental results for the background-subtracted correlator $H$ at the…

High Energy Physics - Phenomenology · Physics 2022-01-10 Bang-Xiang Chen , Sheng-Qin Feng

Quark interactions with topological gluon fields in QCD can yield local $\mathcal{P}$ and $\mathcal{CP}$ violations which could explain the matter-antimatter asymmetry in our universe. Effects of $\mathcal{P}$ and $\mathcal{CP}$ violations…

Nuclear Experiment · Physics 2019-01-29 Jie Zhao , Zhoudunming Tu , Fuqiang 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

In this paper the emergence of the Chiral Magnetic Effect (CME) and the related anomalous current is investigated using the real time Dirac-Heisenberg-Wigner formalism. This method is widely used for describing strong field physics and QED…

High Energy Physics - Phenomenology · Physics 2018-05-14 Dániel Berényi , Péter Lévai

The Chiral Magnetic Effect (CME) refers to charge separation along a strong magnetic field, due to topological charge fluctuations in QCD. Charge correlation ($\Delta\gamma$) signals consistent with CME have been first observed almost a…

Nuclear Experiment · Physics 2019-06-05 Hanlin Li , Jie Zhao , Fuqiang Wang

We calculate the electromagnetic current with a more realistic approach in the RHIC and LHC energy regions in the article. We take the partons formation time as the initial time of the magnetic field response of QGP medium. The maximum…

High Energy Physics - Phenomenology · Physics 2018-03-28 Duan She , Sheng-Qin Feng , Yang Zhong , Zhong-Bao Yin

Quantum field theory predicts Weyl semimetals to possess a peculiar response of the longitudinal current density to the application of a DC magnetic field. Such a response function has been shown to be at odds with a general result showing…

Mesoscale and Nanoscale Physics · Physics 2016-10-05 Yahya Alavirad , Jay D. Sau

Topological gluon configurations in quantum chromodynamics induce quark chirality imbalance in local domains, which can result in the chiral magnetic effect (CME)--an electric charge separation along a strong magnetic field. Experimental…

Nuclear Experiment · Physics 2019-03-05 Jie Zhao , Hanlin Li , Fuqiang Wang

The emergence of the Chiral Magnetic Effect (CME) and the related anomalous current is investigated using the real time Dirac-Heisenberg-Wigner formalism. This method is widely used for describing strong field physics and QED vacuum…

High Energy Physics - Phenomenology · Physics 2018-08-08 Dániel Berényi , Péter Lévai

The quantum chiral anomaly enables a nearly dissipationless current in the presence of chirality imbalance and magnetic field -- this is the Chiral Magnetic Effect (CME), observed recently in Dirac and Weyl semimetals. Here we propose to…

Quantum Physics · Physics 2019-03-19 Dmitri E. Kharzeev , Qiang Li

The Weyl semimetal, due to a non-zero energy difference in the pair of Weyl nodes shows chiral magnetic effect(CME). This leads to a flow of dissipationless electric current along an applied magnetic field. Such a chiral magnetic effect in…

Strongly Correlated Electrons · Physics 2017-04-06 Debanand Sa

We investigate the chiral magnetic effect by lattice QCD with a chiral chemical potential. In a chirally imbalanced matter, we obtain a finite induced current along an external magnetic field. We analyze the dependence on the lattice…

High Energy Physics - Lattice · Physics 2011-12-21 Arata Yamamoto

We study the chiral magnetic effect (CME) in the hadronic phase. The CME current involves pseudoscalar mesons to modify its functional form. This conclusion is independent of microscopic details. The strength of the CME current in the…

High Energy Physics - Phenomenology · Physics 2020-04-22 Shota Imaki

We report on the mean-field study of the Chiral Magnetic Effect (CME) in static magnetic fields within a simple model of a parity-breaking Weyl semimetal given by the lattice Wilson-Dirac Hamiltonian with constant chiral chemical potential.…

Strongly Correlated Electrons · Physics 2015-12-07 P. V. Buividovich , M. Puhr , S. N. Valgushev

In this paper the non-perturbative suppression of the Chiral Magnetic Effect (CME) is investigated in the deconfined region of the QCD phase diagram (as a model for Quark-Gluon Plasma (QGP) emerging in Heavy Ion Collisions (HIC)), using the…

High Energy Physics - Phenomenology · Physics 2025-03-25 Ruslan A. Abramchuk