Improved ground-state estimate by thermal resummation

Details Improved ground-state estimate by thermal resummation Improved ground-state estimate by thermal resummation

2010-09-09

arxiv.org/abs/1009.1715v2

Physics

High Energy Physics

High Energy Physics - Theory

7 pages, 4 figures, v2: slight changes in text

Scientific paper

For the deconfining phase of SU(2) Yang-Mills thermodynamics and for high temperatures we point out that a linear dependence on temperature of a one-loop selfconsistently resummed thermal correction to the pressure and the energy density takes place despite a quartic dependence arising from an unsummed two-loop correction. This linearity is hierarchically smaller than the one belonging to the tree-level estimate of the thermal ground-state. We discuss and interprete this result.

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