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Linear growth of the trace anomaly in Yang-Mills thermodynamics

Francesco Giacosa·Ralf Hofmann
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Abstract

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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Francesco Giacosa, Ralf Hofmann. 2007-11-25. Linear growth of the trace anomaly in Yang-Mills thermodynamics. https://doi.org/10.1103/physrevd.76.085022

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