Shear viscosity of boost invariant plasma at finite coupling

Shear viscosity of boost invariant plasma at finite coupling
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DOI:
10.1016/j.nuclphysb.2008.03.009
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发表时间:
2008-01
期刊:
Nuclear Physics
影响因子:
--
通讯作者:
A. Buchel
A. Buchel
中科院分区:
其他
文献类型:
--
作者:
A. Buchel

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讨论了在强耦合下膨胀的助推不变量N=4超对称杨-米尔斯等离子体的对偶描述中的弦理论α′修正。我们计算了剪切粘度的有限t Hooft耦合修正,发现它与平衡相关函数的计算不一致。我们对不符的可能原因发表意见。
We discuss string theory α′corrections in the dual description of the expanding boost invariant N=4 supersymmetric Yang–Mills plasma at strong coupling. We compute finite 't Hooft coupling corrections to the shear viscosity and find that it disagrees with the equilibrium correlation function computations. We comment on the possible source of the discrepancy.