The $1/N$ expansion in the two-dimensional supersymmetric $O(N)\times O(K)$-invariant $O(N)/O(N-K)$ model and dynamical generation of massive vector particles

A. V. Bratchikov, R. P. Grigoryan, A. A. Deriglazov


Abstract: In the framework of the $1/N$ expansion the supersymmetric $O(N)\times O(K)$-invariant $O(N)/O(N-K)$ model is investigated. It is shown that in the leading order in $1/N$ massive supermultiplets of fields that may also include vector fields are dynamically generated.

Received: 06.04.1987

 English version: Theoretical and Mathematical Physics, 1988, 76:3, 925–929

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