Static Quark-Antiquark Potential in the Quark-Gluon Plasma from Lattice QCD

Burnier Y, Kaczmarek O, Rothkopf A (2015)
Physical Review Letters 114(8).

Journal Article | Published | English

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Abstract
We present a state-of-the-art determination of the complex valued static quark-antiquark potential at phenomenologically relevant temperatures around the deconfinement phase transition. Its values are obtained from nonperturbative lattice QCD simulations using spectral functions extracted via a novel Bayesian inference prescription. We find that the real part, both in a gluonic medium, as well as in realistic QCD with light u, d, and s quarks, lies close to the color singlet free energies in Coulomb gauge and shows Debye screening above the (pseudo) critical temperature T-c. The imaginary part is estimated in the gluonic medium, where we find that it is of the same order of magnitude as in hard-thermal loop resummed perturbation theory in the deconfined phase.
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Burnier Y, Kaczmarek O, Rothkopf A. Static Quark-Antiquark Potential in the Quark-Gluon Plasma from Lattice QCD. Physical Review Letters. 2015;114(8).
Burnier, Y., Kaczmarek, O., & Rothkopf, A. (2015). Static Quark-Antiquark Potential in the Quark-Gluon Plasma from Lattice QCD. Physical Review Letters, 114(8).
Burnier, Y., Kaczmarek, O., and Rothkopf, A. (2015). Static Quark-Antiquark Potential in the Quark-Gluon Plasma from Lattice QCD. Physical Review Letters 114.
Burnier, Y., Kaczmarek, O., & Rothkopf, A., 2015. Static Quark-Antiquark Potential in the Quark-Gluon Plasma from Lattice QCD. Physical Review Letters, 114(8).
Y. Burnier, O. Kaczmarek, and A. Rothkopf, “Static Quark-Antiquark Potential in the Quark-Gluon Plasma from Lattice QCD”, Physical Review Letters, vol. 114, 2015.
Burnier, Y., Kaczmarek, O., Rothkopf, A.: Static Quark-Antiquark Potential in the Quark-Gluon Plasma from Lattice QCD. Physical Review Letters. 114, (2015).
Burnier, Yannis, Kaczmarek, Olaf, and Rothkopf, Alexander. “Static Quark-Antiquark Potential in the Quark-Gluon Plasma from Lattice QCD”. Physical Review Letters 114.8 (2015).
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PMID: 25768756
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arXiv 1410.2546

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