Effective field theory for fluids: Hall viscosity from a Wess-Zumino-Witten term

Abstract

We propose an effective action that describe a relativistic fluid with Hall viscosity. The construction involves a Wess-Zumino-Witten term that exists only in (2+1) spacetime dimensions. We note that this formalism can accommodate only a Hall viscosity which is a homogeneous function of the entropy and particle number densities of degree one.

10 pages

References in corpus (2)

• Effective actions for anomalous hydrodynamics
• Holographic Spontaneous Parity Breaking and Emergent Hall Viscosity and Angular Momentum

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