Hydrodynamics with Triangle Anomalies

Details Hydrodynamics with Triangle Anomalies Hydrodynamics with Triangle Anomalies

2009-06-27

arxiv.org/abs/0906.5044v2

Physics

High Energy Physics

High Energy Physics - Theory

4 pages; v2: error in Eq.(4) corrected

Scientific paper

We consider the hydrodynamic regime of theories with quantum anomalies for global currents. We show that a hitherto discarded term in the conserve current is not only allowed by symmetries, but is in fact required by triangle anomalies and the second law of thermodynamics. This term leads to a number of new effects, one of which is chiral separation in a rotating fluid at nonzero chemical potential. The new kinetic coefficients can be expressed, in a unique fashion, through the anomalies coefficients and the equation of state. We briefly discuss the relevance of this new hydrodynamic term for physical situations, including heavy ion collisions.

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