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The heavy quark potential in SU(2) gauge theory at high temperature

Irbäck, A. LU orcid ; Lacock, P. ; Miller, D. ; Petersson, B. and Reisz, T. (1991) In Nuclear Physics, Section B 363(1). p.34-64
Abstract

We present a detailed investigation of the heavy quark potential in the deconfined phase of pure SU(2) gauge theory at intermediate temperatures. The analysis is based on close comparison of numerical and analytical methods. The extent of the short-distance range, where because of asymptotic freedom perturbation theory gives a good description of the interaction, is determined. Slightly beyond the perturbative horizon the potential becomes that of screened colour-averaged charges. The screening length determined in that range appears to be surprisingly close to the value that is derived from a partial resummation of the continuum perturbation series.

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author
; ; ; and
publishing date
type
Contribution to journal
publication status
published
subject
in
Nuclear Physics, Section B
volume
363
issue
1
pages
31 pages
publisher
North-Holland
external identifiers
  • scopus:0002838257
ISSN
0550-3213
DOI
10.1016/0550-3213(91)90233-N
language
English
LU publication?
no
id
85f12c93-7120-425d-91d4-40e8ef71bd8a
date added to LUP
2019-05-14 15:00:52
date last changed
2021-10-03 04:50:54
@article{85f12c93-7120-425d-91d4-40e8ef71bd8a,
  abstract     = {{<p>We present a detailed investigation of the heavy quark potential in the deconfined phase of pure SU(2) gauge theory at intermediate temperatures. The analysis is based on close comparison of numerical and analytical methods. The extent of the short-distance range, where because of asymptotic freedom perturbation theory gives a good description of the interaction, is determined. Slightly beyond the perturbative horizon the potential becomes that of screened colour-averaged charges. The screening length determined in that range appears to be surprisingly close to the value that is derived from a partial resummation of the continuum perturbation series.</p>}},
  author       = {{Irbäck, A. and Lacock, P. and Miller, D. and Petersson, B. and Reisz, T.}},
  issn         = {{0550-3213}},
  language     = {{eng}},
  month        = {{09}},
  number       = {{1}},
  pages        = {{34--64}},
  publisher    = {{North-Holland}},
  series       = {{Nuclear Physics, Section B}},
  title        = {{The heavy quark potential in SU(2) gauge theory at high temperature}},
  url          = {{http://dx.doi.org/10.1016/0550-3213(91)90233-N}},
  doi          = {{10.1016/0550-3213(91)90233-N}},
  volume       = {{363}},
  year         = {{1991}},
}