On the current correlators in QCD at finite temperature
Abstract
Current correlators in QCD at a finite temperature T are considered from the viewpoint of operator product expansion. It is stressed that at low T the heat bath must be represented by hadronic, and not quark-gluon states. A possibility to express the results in terms of T-dependent resonance masses is discussed. It is demonstrated that in order T2 the masses do not move and the only phenomenon which occurs is a parity and isospin mixing.
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