Derivation of Covariant Dissipative Fluid Dynamics in the Renormalization-group Method

Abstract

We derive generic relativistic hydrodynamical equations with dissipative effects from the underlying Boltzmann equation in a mechanical and systematic way on the basis of so called the renormalization-group (RG) method. A macroscopic frame vector is introduced to specify the frame on which the macroscopic dynamics is described. Our method is so mechanical with only few ansatz that our method give a microscopic foundation of the available hydrodynamical equations, and also can be applied to make a reduction of the kinetic equations other than the simple Boltzmann equation.

arXiv commentSerious typos and a minor one are corrected in p.6 and 7, and in p.1, respectively

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