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Title: Nonequilibrium study of the chiral magnetic effect from real-time simulations with dynamical fermions

Abstract

We show a real-time lattice approach to study the nonequilibrium dynamics of vector and axial charges in S U ( N ) × U ( 1 ) gauge theories. Based on a classical description of the non-Abelian and Abelian gauge fields, we include dynamical fermions and develop operator definitions for (improved) Wilson and overlap fermions that allow us to study real-time manifestations of the axial anomaly from first principles. We present a first application of this approach to anomalous transport phenomena such as the chiral magnetic effect (CME) and the chiral separation effect (CSE) by studying the dynamics of fermions during and after a S U ( N ) sphaleron transition in the presence of a U ( 1 ) magnetic field. We investigate the fermion mass and magnetic field dependence of the suggested signatures of the CME and the CSE and point out some important aspects which need to be accounted for in the macroscopic description of anomalous transport phenomena.

Authors:
 [1];  [2];  [3];  [4]
  1. Brookhaven National Lab. (BNL), Upton, NY (United States); Stony Brook Univ., NY (United States)
  2. Heidelberg Univ. (Germany)
  3. Univ. of Washington, Seattle, WA (United States)
  4. Brookhaven National Lab. (BNL), Upton, NY (United States)
Publication Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)
OSTI Identifier:
1460710
Alternate Identifier(s):
OSTI ID: 1345280
Report Number(s):
BNL-207829-2018-JARP
Journal ID: ISSN 2470-0010; PRVDAQ; TRN: US1901903
Grant/Contract Number:  
SC0012704; FG88-ER40388; FG02-97ER41014; AC02-05CH11231
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Physical Review D
Additional Journal Information:
Journal Volume: 95; Journal Issue: 3; Journal ID: ISSN 2470-0010
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS

Citation Formats

Mace, Mark, Mueller, Niklas, Schlichting, Sören, and Sharma, Sayantan. Nonequilibrium study of the chiral magnetic effect from real-time simulations with dynamical fermions. United States: N. p., 2017. Web. doi:10.1103/PhysRevD.95.036023.
Mace, Mark, Mueller, Niklas, Schlichting, Sören, & Sharma, Sayantan. Nonequilibrium study of the chiral magnetic effect from real-time simulations with dynamical fermions. United States. doi:10.1103/PhysRevD.95.036023.
Mace, Mark, Mueller, Niklas, Schlichting, Sören, and Sharma, Sayantan. Tue . "Nonequilibrium study of the chiral magnetic effect from real-time simulations with dynamical fermions". United States. doi:10.1103/PhysRevD.95.036023. https://www.osti.gov/servlets/purl/1460710.
@article{osti_1460710,
title = {Nonequilibrium study of the chiral magnetic effect from real-time simulations with dynamical fermions},
author = {Mace, Mark and Mueller, Niklas and Schlichting, Sören and Sharma, Sayantan},
abstractNote = {We show a real-time lattice approach to study the nonequilibrium dynamics of vector and axial charges in S U ( N ) × U ( 1 ) gauge theories. Based on a classical description of the non-Abelian and Abelian gauge fields, we include dynamical fermions and develop operator definitions for (improved) Wilson and overlap fermions that allow us to study real-time manifestations of the axial anomaly from first principles. We present a first application of this approach to anomalous transport phenomena such as the chiral magnetic effect (CME) and the chiral separation effect (CSE) by studying the dynamics of fermions during and after a S U ( N ) sphaleron transition in the presence of a U ( 1 ) magnetic field. We investigate the fermion mass and magnetic field dependence of the suggested signatures of the CME and the CSE and point out some important aspects which need to be accounted for in the macroscopic description of anomalous transport phenomena.},
doi = {10.1103/PhysRevD.95.036023},
journal = {Physical Review D},
issn = {2470-0010},
number = 3,
volume = 95,
place = {United States},
year = {2017},
month = {2}
}

Journal Article:
Free Publicly Available Full Text
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Citation Metrics:
Cited by: 12 works
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