Journal
CHINESE PHYSICS C
Volume 42, Issue 1, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1674-1137/42/1/011001
Keywords
heavy ion collision; quark gluon plasma; chiral magnetic effect; chiral symmetry
Categories
Funding
- U.S. Department of Energy, Office of Science, Office of Nuclear Physics
- National Science Foundation [PHY-1352368]
- National Science Foundation of China [11735007]
- U.S. Department of Energy [DE-SC0012704 (BNL)/DE-5C0011090]
- Institute for Nuclear Theory [INT-16-3]
- Lilly Endowment, Inc.
- Indiana METACyt Initiative
- Division Of Physics
- Direct For Mathematical & Physical Scien [1352368] Funding Source: National Science Foundation
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The Chiral Magnetic Effect (CME) is a macroscopic manifestation of fundamental chiral anomaly in a many-body system of chiral fermions, and emerges as an anomalous transport current in the fluid dynamics framework. Experimental observation of the CME is of great interest and has been reported in Dirac and Weyl semimetals. Significant efforts have also been made to look for the CME in heavy ion collisions. Critically needed for such a search is the theoretical prediction for the CME signal. In this paper we report a first quantitative modeling framework, Anomalous Viscous Fluid Dynamics (AVFD), which computes the evolution of fermion currents on top of realistic bulk evolution in heavy ion collisions and simultaneously accounts for both anomalous and normal viscous transport effects. AVFD allows a quantitative understanding of the generation and evolution of CME-induced charge separation during the hydrodynamic stage, as well as its dependence on theoretical ingredients. With reasonable estimates of key parameters, the AVFD simulations provide the first phenomenologically successful explanation of the measured signal in 200 AGeV AuAu collisions.
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