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hep-th1998
Renormalisation Group Improved Thermal Coupling Constant In An External Field
Avijit K. Ganguly
Starting from renormalised Effective Lagrangian, in the presence of an external Chromo-Electric field at finite temperature, the expression for thermal coupling constant ($α= (g^2)…
hep-th1998
Functional derivation of Casimir energy at non-zero temperature
Avijit K. Ganguly, Palash B. Pal
Performing functional integration of the free Lagrangian, we find the vacuum energy of a field. The functional integration is performed in a way which easily generalizes to systems…