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Three Ignored Densities, Frame-Independent Thermodynamics and Broken Galilean Symmetry

Peter Kostädt, Mario Liu

cond-mat.stat-mecharXiv:cond-mat/9806317

Abstract

A system's invariance under Galilean transformation implies three locally conserved densities. Including them as variables, the thermodynamics is rendered explicitly frame independent, dissipative mass currents are shown to vanish, and spontaneously broken Galilean symmetry becomes a sensible concept in condensed systems.

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