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The O(N) sigma-model Laplacian | | Paul Mansfield
; Jiannis Pachos
; | | Date: |
6 Nov 1995 | | Journal: | Phys.Lett. B365 (1996) 169-174 | | Subject: | hep-th | | Abstract: | For fields that vary slowly on the scale of the lightest mass the logarithm of the vacuum functional of a massive quantum field theory can be expanded in terms of local functionals satisfying a form of the Schrödinger equation, the principal ingredient of which is a regulated functional Laplacian. We construct to leading order a Laplacian for the O(N) sigma-model that acts on such local functionals. It is determined by imposing rotational invariance in the internal space together with closure of the Poincaré algebra. | | Source: | arXiv, hep-th/9511041 | | Services: | Forum | Review | PDF | Favorites | |
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