Chiral condensate beyond one-loop approximation
arXiv:1512.04472 · doi:10.7868/S0044002717030187
Abstract
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.
arXiv comment9 pages, 3 figures