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Preprint . 1995
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Article . 1996
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Physical Review D
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Approximate spectral functions in thermal field theory

descriptionPublicationkeyboard_double_arrow_right Article , Preprint 15 Oct 1996Embargo end date: 01 Jan 1995 Luxembourg English Publisher:American Physical Society (APS)Journal:Physical Review D, volume 54, pages 5,239-5,244 (issn: 0556-2821, eissn: 1089-4918, Copyright policy )
Authors: Henning, P. A.; Polyatchenko, E.; Schilling, Tanja; Bros, J.;

doi: 10.1103/physrevd.54.5239 , 10.48550/arxiv.hep-ph/9510322

pmid: 10021214

arXiv: hep-ph/9510322

Approximate spectral functions in thermal field theory

Abstract

Causality requires, that the (anti-) commutator of two interacting field operators vanishes for space-like coordinate differences. This implies, that the Fourier transform of the spectral function of this quantum field should vanish in the space-like domain. We find, that this requirement imposes some constraints on the use of resummed propagators in high temperature gauge theory.

15 pages, latex, 3 figures included. Major rewriting of paper. Available also at ftp://tpri6c.gsi.de/pub/phenning/h95comm/ or at http://www.gsi.de/~phenning/pahtft.html

Country
Luxembourg
Related Organizations
Keywords

High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), : Physique [G04] [Physique, chimie, mathématiques & sciences de la terre], : Physics [G04] [Physical, chemical, mathematical & earth Sciences], FOS: Physical sciences

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    popularity
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
12
Average
Average
Average
Green
hybrid