Carrollian fluids and spontaneous breaking of boost symmetry
arXiv:2308.10594 · doi:10.1103/PhysRevLett.132.161606
Abstract
In the hydrodynamic regime, field theories typically have their boost symmetry spontaneously broken due to the presence of a thermal rest frame although the associated Goldstone field does not acquire independent dynamics. We show that this is not the case for Carrollian field theories where the boost Goldstone field plays a central role. This allows us to give a first-principles derivation of the equilibrium currents and dissipative effects of Carrollian fluids. We also demonstrate that the limit of vanishing speed of light of relativistic fluids is a special case of this class of Carrollian fluids. Our results shine light on the thermodynamic properties and thermal partition functions of Carrollian field theories.
arXiv comment5+8 pages, letter format; v2: added references and a new subsection in App. C; v3: typo in App. C corrected; v4: updated to published version
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Cited by in corpus (11)
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