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Abstract: In continuation of our earlier proposal for evaluating thermal effectiveactions, we determine the exact fermion propagator in 1+1 dimensional massiveQED. This propagator is used to derive the finite temperature effective actionof the theory which generates systematically all the one loop Feynmanamplitudes calculated in thermal perturbation theory. Various aspects of theeffective action including its imaginary part are discussed.



Autor: Ashok Das, J. Frenkel

Fuente: https://arxiv.org/







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