Derivation of transient relativistic fluid dynamics from the Boltzmann equation

  title={Derivation of transient relativistic fluid dynamics from the Boltzmann equation},
  author={Gabriel S. Denicol and Harri Niemi and Etele Moln{\'a}r and Dirk H. Rischke},
  journal={Physical Review D},
In this work we present a general derivation of relativistic fluid dynamics from the Boltzmann equation using the method of moments. The main difference between our approach and the traditional 14-moment approximation is that we will not close the fluid-dynamical equations of motion by truncating the expansion of the distribution function. Instead, we keep all terms in the moment expansion. The reduction of the degrees of freedom is done by identifying the microscopic time scales of the… 

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