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The eightfold way to dissipation

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arxiv 1412.1090 v3 pith:2VNKMLZ6 submitted 2014-12-02 hep-th cond-mat.stat-mechgr-qc

classification hep-thcond-mat.stat-mechgr-qc
keywords transportadiabaticdissipativeexpansiongradientsecondanalysisarbitrary
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We provide a complete characterization of hydrodynamic transport consistent with the second law of thermodynamics at arbitrary orders in the gradient expansion. A key ingredient in facilitating this analysis is the notion of adiabatic hydrodynamics, which enables isolation of the genuinely dissipative parts of transport. We demonstrate that most transport is adiabatic. Furthermore, of the dissipative part, only terms at the leading order in gradient expansion are constrained to be sign-definite by the second law (as has been derived before).

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Cited by 1 Pith paper

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  1. Schwinger-Keldysh effective field theory of type-B Goldstone: near-diagonal geometry and Berry term

    hep-th 2026-08 conditional novelty 6.0 of 10

    A Schwinger-Keldysh effective field theory for type-B Goldstones is constructed via near-diagonal geometry and a transgression Berry term, with dissipative spectra for the ferromagnet and an SU(2)×U(1) sigma model.

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