Chiral crossover effects on the shear viscosity of a pion gas

被引：8
|
作者：
Buballa, M. [1 ]
Heckmann, K. [1 ]
Wambach, J. [1 ]
机构：
[1] Tech Univ Darmstadt, Inst Kernphys, Darmstadt, Germany
来源：
PROGRESS IN PARTICLE AND NUCLEAR PHYSICS | 2012年 / 67卷 / 02期
关键词：
Viscosity; Chiral phase transition; NJL model; SCATTERING LENGTHS; DYNAMICAL MODEL; SUPERCONDUCTIVITY; ANALOGY;
D O I：
10.1016/j.ppnp.2011.12.042
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
The properties of strongly interacting matter are probed in ultra-relativistic heavy-ion collisions. In the context of measurements of the elliptic flow at RHIC and the LHC the shear viscosity is of particular interest. In this presentation we discuss recent results for eta/s in hadronic matter at vanishing baryo-chemical potential within kinetic theory. Using the Nambu Jona-Lasinio model, special attention is paid to effects arising from the restoration of spontaneously broken chiral symmetry with increasing temperature. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：348 / 352
页数：5
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