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Related papers: Chiral Magnetic Effect in Heavy Ion Collisions

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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

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

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

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

Various forms of matter may be produced in ultra-relativistic heavy ion collisions. These are the Quark Gluon Plasma, the Color Glass Condensate, the Glasma and Quarkyonic Matter. A novel effect that may be associated with topological…

High Energy Physics - Phenomenology · Physics 2009-11-18 Larry McLerran

We study the charge-dependent azimuthal correlations in relativistic heavy ion collisions, as motivated by the search for the Chiral Magnetic Effect (CME) and the investigation of related background contributions. In particular we aim to…

Nuclear Theory · Physics 2015-04-15 John Bloczynski , Xu-Guang Huang , Xilin Zhang , Jinfeng Liao

In this paper we investigate the chiral magnetic effect (CME): the generation of an electric current due to a homogeneous background magnetic field and a homogeneous chiral imbalance in QCD. We demonstrate that the leading coefficient…

High Energy Physics - Lattice · Physics 2024-10-17 Bastian B. Brandt , Gergely Endrődi , Eduardo Garnacho-Velasco , Gergely Markó

The energy dependence of observable two particle correlator in search for the local strong parity violation in Au+Au collisions is estimated within a simple phenomenological model. The model reproduces available RHIC data but at LHC…

Nuclear Theory · Physics 2011-11-29 V. D. Toneev , V. Voronyuk

We report on our recent attempt of quantitative modeling of the Chiral Magnetic Effect (CME) in heavy-ion collisions. We perform 3+1 dimensional anomalous hydrodynamic simulations on an event-by-event basis, with constitutive equations that…

High Energy Physics - Phenomenology · Physics 2016-11-23 Yuji Hirono , Tetsufumi Hirano , Dmitri E. Kharzeev

Although Weyl semimetals have been extensively studied for exploring rich topological physics, the direct observation of the celebrated chiral magnetic effect (CME) associated with the so-called dipolar chiral anomaly has long intrigued and…

Quantum Gases · Physics 2019-12-02 Zhen Zheng , Zhi Lin , Dan-Wei Zhang , Shi-Liang Zhu , Z. D. Wang

Motivated by the phenomenological scenario of the chiral magnetic effect that can be possibly found in high-energy heavy ion collisions, we study the role of very intense magnetic fields and strong CP violation in the phase structure of…

High Energy Physics - Phenomenology · Physics 2010-02-11 Eduardo S. Fraga , Ana Júlia Mizher

The non-central Cu + Au collisions can create strong out-of-plane magnetic fields and in-plane electric fields. By using the HIJING model, we study the general properties of the electromagnetic fields in Cu + Au collisions at 200 GeV and…

Nuclear Theory · Physics 2015-02-17 Wei-Tian Deng , Xu-Guang Huang

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

Relativistic heavy ion collisions provide the possibility to study the topological charge in QCD matter through the event-by-event fluctuating net axial charge or nonequal numbers of left- and right-handed quarks they generate in the…

Nuclear Theory · Physics 2019-01-30 Yifeng Sun , Che Ming Ko

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

Large magnetic fields exist in magnetars and are produced in off-central heavy-ion collisions. For the latter, field strengths are estimated to be comparable to strong interaction scales. This fact has motivated many studies of QCD physics…

High Energy Physics - Phenomenology · Physics 2024-08-20 Prabal Adhikari , Brian C. Tiburzi

Various novel transport phenomena in chiral systems result from the interplay of quantum anomalies with magnetic field and vorticity in high-energy heavy-ion collisions, and could survive the expansion of the fireball and be detected in…

Nuclear Experiment · Physics 2016-09-20 Gang Wang , Liwen Wen

We present a scenario in heavy-ion collisions where different modes of collective motions are noninterdependent, driven by factorized actions in the created nuclear medium. Such physics mechanisms could each dominate at a distinct evolution…

Nuclear Theory · Physics 2023-06-29 Zhiwan Xu , Gang Wang , Aihong Tang , Huan Zhong Huang

Background: The chiral magnetic effect (CME) is extensively studied in heavy-ion collisions at RHIC and the LHC. An azimuthal correlator called $R_{\Psi_{m}}$ was proposed to measure the CME. By observing the same $R_{\Psi_{2}}$ and…

Nuclear Theory · Physics 2021-04-07 Yicheng Feng , Jie Zhao , Hao-jie Xu , Fuqiang Wang

We investigate the chiral magnetic effect (CME) under a strong magnetic field B = B_0 x_3 at low temperature T < T^chi_c. For this purpose, we employ the instanton vacuum configuration with the finite instanton-number fluctuation Delta,…

High Energy Physics - Phenomenology · Physics 2010-01-07 Seung-il Nam