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Equivalence between first-order causal and stable hydrodynamics and Israel-Stewart theory for boost-invariant systems with a constant relaxation time
Physics Letters B ( IF 4.3 ) Pub Date : 2020-07-01 , DOI: 10.1016/j.physletb.2020.135525
Arpan Das , Wojciech Florkowski , Jorge Noronha , Radoslaw Ryblewski

We show that the recently formulated causal and stable first-order hydrodynamics has the same dynamics as Israel-Stewart theory for boost-invariant, Bjorken expanding systems with a conformal equation of state and a regulating sector determined by a constant relaxation time. In this case, the general solution of the new first-order formulation can be determined analytically.

中文翻译:

具有恒定弛豫时间的升压不变系统的一阶因果和稳定流体动力学与以色列-斯图尔特理论之间的等价性

我们表明,最近制定的因果和稳定的一阶流体动力学具有与以色列-斯图尔特理论相同的动力学,用于增强不变的 Bjorken 扩展系统,具有保形状态方程和由恒定弛豫时间确定的调节扇区。在这种情况下,新的一阶公式的一般解可以通过解析确定。
更新日期:2020-07-01
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