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Topological charge changing transitions can induce chirality in the quark-gluon plasma by the axial anomaly. We study the equilibrium response of the quark-gluon plasma in such a situation to an external magnetic field. To mimic the effect…

High Energy Physics - Phenomenology · Physics 2008-11-26 Kenji Fukushima , Dmitri E. Kharzeev , Harmen J. Warringa

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

We propose a way to introduce the currents responsible for the Chiral Magnetic Effect, and similar phenomena, into the AdS/CFT description. Such currents are thought to occur in heavy ion collisions due to topologically non-trivial field…

High Energy Physics - Theory · Physics 2011-07-08 Lionel Brits , James Charbonneau

The elliptic flow splitting $\Delta v_2$ between $\bar{u}$ and $u$ quarks as well as between $\pi^-$ and $\pi^+$ in midcentral Au+Au collisions at $\sqrt{s_{NN}}=200$ GeV has been studied, based on the framework of an extended multiphase…

Nuclear Theory · Physics 2019-05-01 Zhang-Zhu Han , Jun Xu

The Chiral Magnetic Effect (CME) is a phenomenon in which electric charge is separated by a strong magnetic field from local domains of chirality imbalance and parity violation in quantum chromodynamics (QCD). The CME-sensitive observable,…

Data Analysis, Statistics and Probability · Physics 2025-11-06 Han-Sheng Li , Yicheng Feng , Fuqiang Wang

Magnetic fields in heavy-ion collisions are pivotal and subject to diverse factors. In this study, we quantitatively investigate the impact of fluid vorticity on the evolution of magnetic fields in the 20-50\% centrality class in Au+Au…

High Energy Physics - Phenomenology · Physics 2024-08-28 Anping Huang , Xiang-Yu Wu , Mei Huang

As a consequence of the chiral anomaly, the hydrodynamics of hot QCD matter coupled to QED allows for a long-wavelength mode of chiral charge density, the chiral magnetic wave (CMW), that provides for a mechanism of electric charge…

High Energy Physics - Phenomenology · Physics 2015-03-05 Seyed Farid Taghavi , Urs Achim Wiedemann

The detection of strong magnetic fields in peripheral heavy-ion collisions is crucial for observing effects such as the chiral magnetic effect but has proven exceptionally difficult. To address this, we propose the baryon electric charge…

High Energy Physics - Lattice · Physics 2025-08-26 Heng-Tong Ding , Jin-Biao Gu , Arpith Kumar , Sheng-Tai Li

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

We utilize the chiral kinetic theory in a relaxation-time approximation to investigate the nonlinear anomalous responses of chiral fluids with viscous effects. Unlike the cases in equilibrium, it is found that the chiral magnetic effect and…

High Energy Physics - Theory · Physics 2018-08-01 Yoshimasa Hidaka , Di-Lun Yang

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

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

We study relativistic magnetohydrodynamics with longitudinal boost invariance in the presence of chiral magnetic effects and finite electric conductivity. With initial magnetic fields parallel or anti-parallel to electric fields, we derive…

High Energy Physics - Phenomenology · Physics 2019-07-03 Irfan Siddique , Ren-jie Wang , Shi Pu , Qun Wang

Systematic comparisons of jet pair correlations obtained in Cu+Cu and Au+Au collisions at $\sqrt{s_{NN}}=$200 GeV are presented. The measured jet-pair distributions for both systems, show strong modification of the away-side jet. For the…

Nuclear Experiment · Physics 2019-08-15 Wolf G. Holzmann

The elliptic flows in both Cu+Cu and Au+Au collisions at the Relativistic Heavy Ion Collider are studied in a multi-phase transport model. For both collisions at same reduced impact parameter and minimum bias collisions, the elliptic flow…

Nuclear Theory · Physics 2007-05-23 Lie-Wen Chen , Che Ming Ko

The chiral magnetic effect is the generation of electric current induced by chirality imbalance in the presence of magnetic field. It is a macroscopic manifestation of the quantum anomaly in relativistic field theory of chiral fermions…

Strongly Correlated Electrons · Physics 2016-06-21 Qiang Li , Dmitri E. Kharzeev , Cheng Zhang , Yuan Huang , I. Pletikosic , A. V. Fedorov , R. D. Zhong , J. A. Schneeloch , G. D. Gu , T. Valla

We study the real time evolution of the chiral magnetic effect out-of-equilibrium in strongly coupled anomalous field theories. We match the parameters of our model to QCD parameters and draw lessons of possible relevance for the…

High Energy Physics - Phenomenology · Physics 2022-01-19 Sebastian Grieninger , Sergio Morales-Tejera

In a recent preprint arXiv:2203.10029, the authors argue for a multiplicity scaling of the squared inverse width of the $R_{\Psi_{2}}$ distribution to claim a positive signal for the chiral magnetic effect from STAR's isobar data, in stark…

Nuclear Experiment · Physics 2022-04-19 Fuqiang Wang

Charge-dependent azimuthal particle correlations with respect to the second-order event plane in pPb and PbPb collisions at a nucleon-nucleon center-of-mass energy of 5.02 TeV have been studied with the CMS experiment at the LHC. The…

Nuclear Experiment · Physics 2017-03-29 CMS Collaboration

The chiral magnetic effect (CME) -- a macroscopic manifestation of the quantum chiral anomaly -- induces currents along magnetic field lines, facilitating mutual conversion between chiral asymmetry and magnetic helicity. Although the finite…

High Energy Astrophysical Phenomena · Physics 2025-09-16 Clara Dehman , José A. Pons