期刊
PHYSICAL REVIEW LETTERS
卷 108, 期 19, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.108.191601
关键词
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资金
- Polish Ministry of Science and Higher Education [N202 173539]
- Foundation for Fundamental Research on Matter, Netherlands Organization for Scientific Research
- MEC [FPA2010-20807-C02-01, FPA2010-20807-C02-02]
- CPAN [CSD2007-00042]
- CNPq
- [2009-SGR-168]
- ICREA Funding Source: Custom
We study the isotropization of a homogeneous, strongly coupled, non-Abelian plasma by means of its gravity dual. We compare the time evolution of a large number of initially anisotropic states as determined, on the one hand, by the full nonlinear Einstein's equations and, on the other, by the Einstein's equations linearized around the final equilibrium state. The linear approximation works remarkably well even for states that exhibit large anisotropies. For example, it predicts with a 20% accuracy the isotropization time, which is of the order of t(iso) less than or similar to 1/T, with T the final equilibrium temperature. We comment on possible extensions to less symmetric situations.
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