Chiral magnetic and vortical effects in high-energy nuclear collisions-A status report

被引:613
作者
Kharzeev, D. E. [1 ,2 ,3 ]
Liao, J. [3 ,4 ,5 ]
Voloshin, S. A. [6 ]
Wang, G. [7 ]
机构
[1] SUNY Stony Brook, Dept Phys & Astron, Stony Brook, NY 11794 USA
[2] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA
[3] Brookhaven Natl Lab, RIKEN BNL Res Ctr, Bldg 510A, Upton, NY 11973 USA
[4] Indiana Univ, Dept Phys, 727 E Third St, Bloomington, IN 47405 USA
[5] Indiana Univ, Ctr Explorat Energy & Matter, 727 E Third St, Bloomington, IN 47405 USA
[6] Wayne State Univ, Dept Phys & Astron, 666 W Hancock, Detroit, MI 48201 USA
[7] Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA
基金
美国国家科学基金会;
关键词
Chiral magnetic effect; Chiral vortical effect; Chiral anomaly; Quark-gluon plasma; Heavy ion collisions; HEAVY-ION COLLISIONS; ANISOTROPIC FLOW; AZIMUTHAL CORRELATIONS; CHARGE ASYMMETRY; PARITY VIOLATION; ELECTRIC-FIELDS; PLUS AU; EVENT; SEARCH; FLUCTUATIONS;
D O I
10.1016/j.ppnp.2016.01.001
中图分类号
O57 [原子核物理学、高能物理学];
学科分类号
070202 ;
摘要
The interplay of quantum anomalies with magnetic field and vorticity results in a variety of novel non-dissipative transport phenomena in systems with chiral fermions, including the quark-gluon plasma. Among them is the Chiral Magnetic Effect (CME)-the generation of electric current along an external magnetic field induced by chirality imbalance. Because the chirality imbalance is related to the global topology of gauge fields, the CME current is topologically protected and hence non-dissipative even in the presence of strong interactions. As a result, the CME and related quantum phenomena affect the hydrodynamical and transport behavior of strongly coupled quark-gluon plasma, and can be studied in relativistic heavy ion collisions where strong magnetic fields are created by the colliding ions. Evidence for the CME and related phenomena has been reported by the STAR Collaboration at Relativistic Heavy Ion Collider at BNL, and by the ALICE Collaboration at the Large Hadron Collider at CERN. The goal of the present review is to provide an elementary introduction into the physics of anomalous chiral effects, to describe the current status of experimental studies in heavy ion physics, and to outline the future work, both in experiment and theory, needed to eliminate the existing uncertainties in the interpretation of the data. (C) 2016 Elsevier B.V. All rights reserved.
引用
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页码:1 / 28
页数:28
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