Hydrodynamics of nuclear matter in the chiral limit

Details Hydrodynamics of nuclear matter in the chiral limit Hydrodynamics of nuclear matter in the chiral limit

1999-12-08

arxiv.org/abs/hep-ph/9912267v2

Phys.Rev.Lett. 84 (2000) 3771-3774

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages; small improvements. Version published in PRL

Scientific paper

10.1103/PhysRevLett.84.3771

Using the Poisson bracket method, we construct the hydrodynamics of nuclear matter in the chiral limit, which describes the dynamics of all low-energy degrees of freedom, including the fluid-dynamical and pionic ones. The hydrodynamic equations contain, beside five Euler equations of relativistic fluid dynamics, Nf^2-1 second order equations describing propagating pions and Nf^2-1 first order equations describing the advection of the baryonic vector isospin charges. We present hydrodynamic arguments showing that the pion velocity vanishes at the second order phase transition at Nf=2.

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