Spectral representation and QCD sum rules for nucleon at finite temperature
S. Mallik, Sourav Sarkar
Abstract
We examine the problem of constructing spectral representations for two point correlation functions, needed to write down the QCD sum rules in the medium. We suggest constructing them from the Feynman diagrams for the correlation functions. As an example we use this procedure to write the QCD sum rules for the nucleon current at finite temperature.
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