Chiral condensate beyond one-loop approximation
classification
✦ hep-ph
keywords
approximationbeyondfieldmodelone-loopscalarappearbesides
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We study two-dimensional model with a fermion field and a self-interaction scalar field with the Yukawa interaction beyond the framework of the one-loop approximation. We show that in the model besides a phase transitions appear decays of the excited scalar states.
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