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Title

Finite-temperature corrections to the energy-momentum tensor at one loop in static spacetimes

AuthorsAlbareti, Franco D.; Maroto, Antonio L.; Prada, Francisco
Issue Date2018
PublisherAmerican Physical Society
CitationPhysical Review D 97(12): 125017 (2018)
AbstractFinite-temperature corrections to the effective potential and the energy-momentum tensor of a scalar field are computed in a perturbed Minkoswki spacetime. We consider the explicit mode decomposition of the field in the perturbed geometry and obtain analytical expressions in the nonrelativistic and ultrarelativistic limits to first order in scalar metric perturbations. In the static case, our results are in agreement with previous calculations based on the Schwinger-DeWitt expansion which indicate that thermal effects in a curved spacetime can be encoded in the local Tolman temperature at leading order in perturbations and in the adiabatic expansion. We also study the shift of the effective potential minima produced by thermal corrections in the presence of static gravitational fields. Finally, we discuss the dependence on the initial conditions set for the mode solutions. © 2018 authors. Published by the American Physical Society.
DescriptionOpen Access. Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.
Publisher version (URL)http://dx.doi.org/10.1103/PhysRevD.97.125017
URIhttp://hdl.handle.net/10261/215557
DOI10.1103/PhysRevD.97.125017
Identifiersdoi: 10.1103/PhysRevD.97.125017
e-issn: 2470-0029
issn: 2470-0010
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