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Article overview
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Cohomological Reduction of Sigma Models | Constantin Candu
; Thomas Creutzig
; Vladimir Mitev
; Volker Schomerus
; | Date: |
8 Jan 2010 | Abstract: | This article studies some features of quantum field theories with internal
supersymmetry, focusing mainly on 2-dimensional non-linear sigma models which
take values in a coset superspace. It is discussed how BRST operators from the
target space supersymmetry algebra can be used to identify subsectors which are
often simpler than the original model and may allow for an explicit computation
of correlation functions. After an extensive discussion of the general
reduction scheme, we present a number of interesting examples, including
symmetric superspaces $G/G^{mathbb{Z}_2}$ and coset superspaces of the form
$G/G^{mathbb{Z}_4}$. | Source: | arXiv, 1001.1344 | Services: | Forum | Review | PDF | Favorites |
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