On the smallest screening masses in hot QCD

Laine M, Vepsalainen M (2009)
JOURNAL OF HIGH ENERGY PHYSICS 2009(09): 023.

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Zeitschriftenaufsatz | Veröffentlicht | Englisch
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Abstract / Bemerkung
The increasing focus on unquenched lattice simulations has revived interest also in gluonic screening masses, whose inverses characterise the longest length scales at which thermal fluctuations are correlated in a hot non-Abelian plasma. We fill an apparent gap in the literature concerning the theoretical structure of one of the relevant screening masses (the one which equals twice the Debye mass at leading order), by showing that the next-to-leading order correction to it is perturbative and small. This surprising result appears to explain semi-quantitatively why this particular channel yields the smallest gluonic screening mass at temperatures around a few hundred MeV (it couples to the energy density and to the real part of the Polyakov loop), even though it is not among the smallest screening masses at asymptotically high temperatures.
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Zeitschriftentitel
JOURNAL OF HIGH ENERGY PHYSICS
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2009
Zeitschriftennummer
09
Artikelnummer
023
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Laine M, Vepsalainen M. On the smallest screening masses in hot QCD. JOURNAL OF HIGH ENERGY PHYSICS. 2009;2009(09): 023.
Laine, M., & Vepsalainen, M. (2009). On the smallest screening masses in hot QCD. JOURNAL OF HIGH ENERGY PHYSICS, 2009(09), 023. doi:10.1088/1126-6708/2009/09/023
Laine, M., and Vepsalainen, M. (2009). On the smallest screening masses in hot QCD. JOURNAL OF HIGH ENERGY PHYSICS 2009:023.
Laine, M., & Vepsalainen, M., 2009. On the smallest screening masses in hot QCD. JOURNAL OF HIGH ENERGY PHYSICS, 2009(09): 023.
M. Laine and M. Vepsalainen, “On the smallest screening masses in hot QCD”, JOURNAL OF HIGH ENERGY PHYSICS, vol. 2009, 2009, : 023.
Laine, M., Vepsalainen, M.: On the smallest screening masses in hot QCD. JOURNAL OF HIGH ENERGY PHYSICS. 2009, : 023 (2009).
Laine, Mikko, and Vepsalainen, M. “On the smallest screening masses in hot QCD”. JOURNAL OF HIGH ENERGY PHYSICS 2009.09 (2009): 023.

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arXiv: 0906.4450

Inspire: 823981

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