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Nambu-Goldstone mechanism at finite temperature in the imaginary-time and real-time formalism
Bang-Rong Zhou
In the imaginay-time formalism of thermal field theory, and also in the real-time formalism but by means of some redefined physical propagators for scalar bound states by diagonali…
hep-th2000
Propagators for scalar bound states at finite temperature in a NJL model
Bang-Rong Zhou
We reexamine physical causal propagators for scalar and pseudoscalar bound states at finite temperature in a chiral NJL model, defined by four-point amputated…