Phys. Rev. Lett. 69, 3282–3285 (1992)Quark susceptibility in hot QCDReceived 9 September 1992; published in the issue dated 7 December 1992 We analyze the quark number susceptibility at high temperature in three-dimensional QCD where the susceptibility carries nonperturbative temperature effects at next-to-leading order. Using arguments of dimensional reduction, we show that the Coulomb bound state description used recently to describe the DeTar correlators is consistent with the free quark susceptibility, and offers a nonperturbative framework for discussing next-to-leading-order effects. The relevance of our results to four-dimensional QCD at high temperature is discussed. © 1992 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.69.3282
DOI:
10.1103/PhysRevLett.69.3282
PACS:
12.38.Mh, 12.38.Lg
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