From kinetic theory to dissipative fluid dynamics
B. Betz, D. Henkel, D.H. Rischke
TL;DR
This paper derives the Israel-Stewart equations for relativistic dissipative fluid dynamics from kinetic theory, introducing new second-order terms via Grad's 14-moment expansion, enhancing the theoretical framework.
Contribution
It provides a consistent derivation of Israel-Stewart equations including novel second-order terms from kinetic theory.
Findings
Derived new second-order terms in Israel-Stewart equations
Enhanced the theoretical understanding of relativistic dissipative fluids
Provided a more complete kinetic theory foundation
Abstract
We present the results of deriving the Israel-Stewart equations of relativistic dissipative fluid dynamics from kinetic theory via Grad's 14-moment expansion. Working consistently to second order in the Knudsen number, these equations contain several new terms which are absent in previous treatments.
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