paper

Variational principle of relativistic perfect fluid

arXiv:1605.09087 · doi:10.1088/0264-9381/33/24/245007

Abstract

We reformulate the relativistic perfect fluid system on curved space-time. Using standard variables, the velocity field ,energy density and pressure , the covariant Euler-Lagrange equation is obtained from variational principle. This leads to the Euler equation and the equation of continuity in reparametrization invariant form.

9 pages

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