期刊
PHYSICAL REVIEW D
卷 97, 期 3, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.97.034034
关键词
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资金
- U.S. Department of Energy, Office of Science, Nuclear Physics [DE-FG02-97ER41014]
- Academy of Finland [267321, 303756]
- European Research Council [ERC-2015-CoG-681707]
We calculate the one- and two-point correlation functions of the energy density and the divergence of the Chern-Simons current in the nonequilibrium glasma state formed in a high-energy nuclear collision. We show that the latter depends on the difference of the total and linearly polarized gluon transverse momentum distributions. Since the divergence of the Chern-Simons current provides the source of axial charge, we infer information about the statistical properties of axial charge production at early times. We further develop a simple phenomenological model to characterize axial charge distributions in terms of distributions of the energy density.
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