Greensite-Halpern stabilization of $A_k$ singularities in the $N\to \infty$ limit

Abstract

The Greensite-Halpern method of stabilizing bottomless Euclidean actions is applied to zerodimensional O(N) sigma models with unstable $A_k$ singularities in the $N=\infty$ limit.

arXiv commentLaTeX, 9 pages, no figures