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Continuum and lattice meson spectral functions at nonzero momentum and high temperature / Gert Aarts; Jose M. Martínez Resco

Nuclear Physics B, Volume: "B726", Issue: 1-2, Pages: 93 - 108

Swansea University Author: Gert, Aarts

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Abstract

We analyse discretization effects in the calculation of high-temperature meson spectral functions at nonzero momentum and fermion mass on the lattice. We do so by comparing continuum and lattice spectral functions in the infinite temperature limit. Complete analytical results for the spectral densit...

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Published in: Nuclear Physics B
ISSN: 05503213
Published: 2005
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa22602
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Abstract: We analyse discretization effects in the calculation of high-temperature meson spectral functions at nonzero momentum and fermion mass on the lattice. We do so by comparing continuum and lattice spectral functions in the infinite temperature limit. Complete analytical results for the spectral densities in the continuum are presented, along with simple expressions for spectral functions obtained with Wilson and staggered fermions on anisotropic lattices. We comment on the use of local and point split currents.
Item Description: @articleAarts:2005hg, author = "Aarts, Gert and Martinez Resco, Jose M.", title = "Continuum and lattice meson spectral functions at nonzero momentum and high temperature", journal = "Nucl.Phys.", volume = "B726", pages = "93-108", doi = "10.1016/j.nuclphysb.2005.08.012", year = "2005", eprint = "hep-lat/0507004", archivePrefix = "arXiv", primaryClass = "hep-lat", reportNumber = "SWAT-05-435", SLACcitation = "%%CITATION = HEP-LAT/0507004;%%",
College: College of Science
Issue: 1-2
Start Page: 93
End Page: 108