High Energy Physics - Theory
[Submitted on 15 May 1997 (v1), last revised 5 Dec 1997 (this version, v2)]
Title:Virasoro Algebra and O(N) Sigma Model
View PDFAbstract: Within the framework of a local expansion of the logarithm of the O(N) sigma-model vacuum functional, valid for slowly varying fields, the modified Virasoro algebra is studied. The operator-like central charge term is given, up to second order, for a general functional.
Submission history
From: Jiannis Pachos [view email][v1] Thu, 15 May 1997 20:55:03 UTC (11 KB)
[v2] Fri, 5 Dec 1997 18:42:53 UTC (12 KB)
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