Heavy quark potentials in quenched QCD at high temperature

Kaczmarek O, Karsch F, Laermann E, Lütgemeier M (2000)
Phys.Rev. D 62(3): 34021.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Abstract / Bemerkung
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 $4 T_c$ 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.
Stichworte
temperature: high; critical phenomena; quark: potential; effect: screening; approximation: quenching; heavy quark; Lattice; numerical calculations: Monte Carlo; string tension; quantum chromodynamics: lattice field theory; temperature dependence; potential: static
Erscheinungsjahr
2000
Zeitschriftentitel
Phys.Rev. D
Band
62
Ausgabe
3
Art.-Nr.
34021
ISSN
0556-2821
eISSN
1089-4918
Page URI
https://pub.uni-bielefeld.de/record/1968991

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Kaczmarek O, Karsch F, Laermann E, Lütgemeier M. Heavy quark potentials in quenched QCD at high temperature. Phys.Rev. D. 2000;62(3): 34021.
Kaczmarek, O., Karsch, F., Laermann, E., & Lütgemeier, M. (2000). Heavy quark potentials in quenched QCD at high temperature. Phys.Rev. D, 62(3), 34021. doi:10.1103/PhysRevD.62.034021
Kaczmarek, O., Karsch, F., Laermann, E., and Lütgemeier, M. (2000). Heavy quark potentials in quenched QCD at high temperature. Phys.Rev. D 62:34021.
Kaczmarek, O., et al., 2000. Heavy quark potentials in quenched QCD at high temperature. Phys.Rev. D, 62(3): 34021.
O. Kaczmarek, et al., “Heavy quark potentials in quenched QCD at high temperature”, Phys.Rev. D, vol. 62, 2000, : 34021.
Kaczmarek, O., Karsch, F., Laermann, E., Lütgemeier, M.: Heavy quark potentials in quenched QCD at high temperature. Phys.Rev. D. 62, : 34021 (2000).
Kaczmarek, Olaf, Karsch, Frithjof, Laermann, Edwin, and Lütgemeier, Martin. “Heavy quark potentials in quenched QCD at high temperature”. Phys.Rev. D 62.3 (2000): 34021.

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arXiv: hep-lat/9908010

Inspire: 505288

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