Journal
PHYSICAL REVIEW C
Volume 105, Issue 3, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevC.105.034903
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Funding
- U.S. Department of Energy [DE-SC0012704, DE-SC0012447]
- U.S. Department of Energy, Office of Science, Office of Workforce Development for Teachers and Scientists, Office of Science Graduate Student Research (SCGSR) program
- ORAU [DE-SC0014664]
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In this study, we used holographic far-from-equilibrium calculation to investigate the chiral magnetic effect (CME) in an expanding quark-gluon plasma. We found that the plasma expansion leads to a dilution of the CME current. Our results suggest that an increasing initial energy is likely to enhance the time-integrated CME current.
Based on a holographic far-from-equilibrium calculation of the chiral magnetic effect (CME) in an expanding quark gluon plasma, we study collisions at various energies. We compute the time evolution of the CME current in the presence of a time-dependent axial charge density and subject to a time-dependent magnetic field. The plasma expansion leads to a dilution of the CME current. We study distinct combinations of how the initial magnetic field and initial axial charge behave with changing initial energy as proposed in previous literature. Most scenarios we consider lead to an increasing time-integrated CME current upon increasing the initial energy. This would make it more likely to observe the CME at higher collision energies.
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