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hep-th2003
Gauge covariant heat kernel expansion at finite temperature
Stefan Leupold
The heat kernel method is extended to the case of finite temperature. Special emphasis is given to the study of gauge theories. Due to the compactness of space in the Euclidean tim…
hep-th1996
Feynman rules in radial gauge
Stefan Leupold
We present a complete set of Feynman rules for non-Abelian gauge fields obeying the radial (Fock-Schwinger) gauge condition and prove the consistency with covariant gauge Feynman r…