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Nucleon propagator at finite temperature
Authors:C A Dominguez  M Loewe
Institution:1. Institute of Theoretical Physics and Astrophysics, University of Cape Town, 7700, Rondebosch, Cape, Republic of South Africa
2. Facultad de Fisica, Pontificia Universidad Católica de Chile, Santiago, Chile
Abstract:We study the nucleon propagator at finite temperature in the framework of finite energy QCD sum rules. We find that the nucleon mass is approximately constant over a wide range of temperature, increasing sharply near the critical temperature for deconfinementT c . The coupling of the nucleon to quarks is a monotonically decreasing function ofT, vanishing atT=T c .
Keywords:
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