Viscosity of an ideal relativistic quantum fluid: A perturbative study

被引：15

作者：

Torrieri, Giorgio ^{[1
]}

机构：

[1] Goethe Univ Frankfurt, FIAS, D-60438 Frankfurt, Germany

来源：

PHYSICAL REVIEW D | 2012年 / 85卷 / 06期

关键词：

THERMODYNAMICS;

D O I：

10.1103/PhysRevD.85.065006

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We show that a quantized ideal fluid will generally exhibit a small but nonzero viscosity due to the backreaction of quantum sound waves on the background. We use an effective field theory expansion to estimate this viscosity to leading order in perturbation theory. We discuss our results and whether this estimate can be used to obtain a more model-independent estimate of the "quantum bound" on the viscosity of physical systems.

引用

页数：9

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