Second-order partition function of a non-interacting chiral fluid in 3+1 dimensions
arXiv:1408.0165 · doi:10.1007/JHEP11(2014)005
Abstract
We compute the partition function for non-interacting chiral fermions at second order in a derivative expansion of an arbitrary time-independent gravitational and gauge background. We find that Pauli-Villars regularization of the vacuum part is needed to get consistent results. We use our results to discuss some features of the non-dissipative constitutive relations of second order hydrodynamics.
arXiv comment27 pages; v2 minor changes in sec. 5 and discussion improved in secs. 6 and 7, references added, version to appear in JHEP
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- Higher Derivative Corrections to Charged Fluids in 2n Dimensions
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