Investigation of the stability of an interaction by the renormalization group method

V. V. Bazhanov, G. P. Pron'ko


Abstract: By means of the renormalization group method the stability of various kinds of interactions with respect to spontaneous production of non-zero vacuum expectation of scalar field has been investigated.

Received: 22.08.1974

 English version: Theoretical and Mathematical Physics, 1975, 24:1, 633–636