Linear growth of the trace anomaly in Yang-Mills thermodynamics

Details Linear growth of the trace anomaly in Yang-Mills thermodynamics Linear growth of the trace anomaly in Yang-Mills thermodynamics

2007-03-14

arxiv.org/abs/hep-th/0703127v2

Phys.Rev.D76:085022,2007

Physics

High Energy Physics

High Energy Physics - Theory

9 pages and 2 figures

Scientific paper

10.1103/PhysRevD.76.085022

In the lattice work by Miller [1,2] and in the work by Zwanziger [3] a linear growth of the trace anomaly for high temperatures was found in pure SU(2) and SU(3) Yang-Mills theories. These results show the remarkable property that the corresponding systems are strong interacting even at high temperatures. We show that within an analytical approach to Yang-Mills thermodynamics this linear rise is obtained and is directly connected to the presence of a temperature-dependent ground state, which describes (part of) the nonperturbative nature of the Yang-Mills system. Our predictions are in approximate agreement with [1,2,3]

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