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Heavy quark potentials in quenched QCD at high temperature

Open access
Kaczmarek, Olaf, Karsch, Frithjof, Laermann, Edwin, Lütgemeier, Martin·2000·Physical Review D

Abstract

Heavy quark potentials are investigated at high temperatures. The temperature range covered by the analysis extends from $T$ values just below the deconfinement temperature up to about ${4T}_{c}$ in the deconfined phase. We simulated the pure gauge sector of QCD on lattices with temporal extents of 4, 6, and 8, with spatial volumes of ${32}^{3}.$ On the smallest lattice a tree level improved action was employed, while in the other two cases the standard Wilson action was used. Below ${T}_{c}$ we find a temperature-dependent logarithmic term contributing to the confinement potential, and observe a string tension which decreases with rising temperature but retains a finite value at the deconfinement transition. Above ${T}_{c}$ the potential is Debye screened; however, simple perturbative predictions do not apply.

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Crossref · 10.1103/physrevd.62.034021

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Metadata

Authors
Kaczmarek, O., Karsch, F., Laermann, E., & Lütgemeier, M.
Venue
Physical Review D
Published
2000-07-13
Volume
62
Issue
3
ISSN
  • 0556-2821 (ISSN-L)
  • 1089-4918
OpenAlex
W1996459590
Cited by
171
References
2
FWCI
6.83
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Heavy quark potentials in quenched QCD at high temperature. https://app.cochat.ai/papers/10.1103/physrevd.62.034021
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Kaczmarek, O., Karsch, F., Laermann, E., & Lütgemeier, M. (2000). Heavy quark potentials in quenched QCD at high temperature. Physical Review D. https://doi.org/10.1103/physrevd.62.034021

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