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We describe a new type of the Chiral Magnetic Effect (CME) that should occur in Weyl semimetals with an asymmetry in the dispersion relations of the left- and right-handed chiral Weyl fermions. In such materials, time-dependent pumping of…

Mesoscale and Nanoscale Physics · Physics 2018-03-28 Dmitri Kharzeev , Yuta Kikuchi , Rene Meyer

The status of the Chiral Magnetic Effect (CME) response in full Quantum Chromodynamics (QCD) has been controversial so far, with previous lattice QCD studies indicating either its strong suppression or vanishing in thermal equilibrium…

High Energy Physics - Lattice · Physics 2024-11-14 P. V. Buividovich

The Chiral Magnetic Effect (CME) has been investigated as a new transport phenomenon in condensed matter. Such an effect appears in systems with chiral fermions and involves an electric current generated by a magnetic field by means of an…

High Energy Physics - Theory · Physics 2020-10-06 Pedro D. S. Silva , Manoel M. Ferreira , Marco Schreck , Luis F. Urrutia

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 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

We analyse solutions of the MHD equations around the electroweak transition taking into account the effects of the chiral anomaly. It is shown that a transition that is not of the first order has direct consequences on the evolution of the…

Cosmology and Nongalactic Astrophysics · Physics 2017-01-17 Petar Pavlović , Natacha Leite , Günter Sigl

The scaling properties of the $\Delta\gamma$ correlator, inferred from the Anomalous Viscous Fluid Dynamics (AVFD) model, are used to investigate a possible chiral-magnetically-driven (CME) charge separation in $p$+Au, $d$+Au, Ru+Ru, Zr+Zr,…

Nuclear Experiment · Physics 2022-06-23 Roy A. Lacey , Niseem Magdy

We present a real-time lattice approach to study the non-equilibrium dynamics of vector and axial charges in $SU(N) \times U(1)$ gauge theories. Based on a classical description of the non-Abelian and Abelian gauge fields, we include…

High Energy Physics - Lattice · Physics 2017-03-03 Mark Mace , Niklas Mueller , Sören Schlichting , Sayantan Sharma

Measurement of the Chiral Magnetic Effect (CME) has been a popular topic of high-energy nuclear physics in the last decade. The flow correlation $\gamma$ between charged hadron pairs of the same and opposite charges and their difference…

Nuclear Theory · Physics 2025-03-20 Yu Wang , Hua Pei

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

Gluon field configurations with nonzero topological charge induce P- and CP-odd effects. Such configurations are likely to be produced during heavy ion collisions. In this article, I will argue that in the intense (electromagnetic) magnetic…

High Energy Physics - Phenomenology · Physics 2009-06-17 Harmen J. Warringa

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

It depends: While we find within holography that the lifetime of the magnetic field for collider energies like the ones achieved at RHIC is long enough to build up the chiral magnetic current, the lifetime of the magnetic field at LHC seems…

High Energy Physics - Phenomenology · Physics 2021-08-06 Jewel K. Ghosh , Sebastian Grieninger , Karl Landsteiner , Sergio Morales-Tejera

We present the first study of the Chiral Magnetic Effect (CME) using transverse spherocity as an event-shape classifier in Pb+Pb collisions at $\sqrt{s_{NN}} = 5.02$ TeV, simulated with the A Multi-Phase Transport (AMPT) model with a…

Nuclear Experiment · Physics 2026-04-08 Somdeep Dey , Abhisek Saha

We study the space-time evolution of electromagnetic fields along with the azimuthal fluctuations of these fields and their correlation with the initial matter geometry specified by the participant plane in the presence of finite electric…

Nuclear Theory · Physics 2025-02-25 Irfan Siddique , Uzma Tabassam

We discuss three possible ways to address quantum physics behind chiral magnetic effect and electric charge fluctuation patterns in heavy ion collisions. The first one makes use of P-parity violation probed by local order parameters, the…

High Energy Physics - Phenomenology · Physics 2010-12-23 V. Orlovsky , V. Shevchenko

The interplay of quantum anomalies with strong magnetic field and vorticity in chiral systems could lead to novel transport phenomena, such as the chiral magnetic effect (CME), the chiral magnetic wave (CMW) and the chiral vortical effect…

Nuclear Experiment · Physics 2020-08-26 Wei Li , Gang Wang

We review some experimental consequences of the presence of superstrong magnetic fields of order of the nuclear scale in noncentral heavy-ion collisions. We present lattice estimates for the strength of the Chiral Magnetic Effect (CME) for…

High Energy Physics - Phenomenology · Physics 2015-06-12 P. V. Buividovich , M. I. Polikarpov , O. V. Teryaev

We consider the STU model as a gravity dual of a strongly-coupled plasma with multiple anomalous U(1) currents. In the bulk we add additional background gauge fields to include the effects of external electric and magnetic fields on the…

High Energy Physics - Theory · Physics 2011-07-21 Tigran Kalaydzhyan , Ingo Kirsch

In relativistic high energy heavy-ion collisions, Chiral Magnetic Effect (CME) could produce a charge separation in QGP. The charge separation could survive into final hadron system during evolution, observed as correlator $\Delta\gamma$.…

High Energy Physics - Phenomenology · Physics 2025-02-25 Yi Xu , Chen Gao , Shi-Xue Zhang , Wei-Tian Deng