Magnetohydrodynamics as Superfluidity

Armas, Jay (Institute for Theoretical Physics, University of Amsterdam, 1090 GL Amsterdam, Netherlands) (Dutch Institute for Emergent Phenomena, 1090 GL Amsterdam, Netherlands) ; Jain, Akash (Centre for Particle Theory & Department of Mathematical Sciences, Durham University, Durham DH1 3LE, United Kingdom)

10 April 2019

Abstract: We show that relativistic magnetohydrodynamics (MHD) can be recast as a novel theory of superfluidity. This new theory formulates MHD just in terms of conservation equations, including dissipative effects, by introducing appropriate variables such as a magnetic scalar potential, and providing necessary and sufficient conditions to obtain equilibrium configurations. We show that this scalar potential can be interpreted as a Goldstone mode originating from the spontaneous breaking of a one-form symmetry, and present the most generic constitutive relations at one derivative order for a parity-preserving plasma in this new superfluid formulation.

Published in: Physical Review Letters 122 (2019)
Published by: APS
DOI: 10.1103/PhysRevLett.122.141603
arXiv: 1808.01939
License: CC-BY-4.0

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