Superfluid Kubo formulas from partition function

Shira Chapman, Carlos Hoyos, Yaron Oz

Research output: Contribution to journalArticlepeer-review

Abstract

Linear response theory relates hydrodynamic transport coefficients to equilibrium retarded correlation functions of the stress-energy tensor and global symmetry currents in terms of Kubo formulas. Some of these transport coefficients are non-dissipative and affect the fluid dynamics at equilibrium. We present an algebraic framework for deriving Kubo formulas for such thermal transport coefficients by using the equilibrium partition function. We use the framework to derive Kubo formulas for all such transport coefficients of superfluids, as well as to rederive Kubo formulas for various normal fluid systems.

Original languageEnglish
Article number186
JournalJournal of High Energy Physics
Volume2014
Issue number4
DOIs
StatePublished - Apr 2014

Keywords

  • Anomalies in field and string theories
  • Phenomenological Models
  • Spontaneous symmetry breaking

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