Consistent Truncation to Three Dimensional (Super-)gravity

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For a general three dimensional theory of (super-)gravity coupled to arbitrary matter fields with arbitrary set of higher derivative terms in the effective action, we give an algorithm for consistently truncating the theory to a theory of pure (super-)gravity with the gravitational sector containing only Einstein-Hilbert, cosmological constant and Chern-Simons terms. We also outline the procedure for finding the parameters of the truncated theory. As an example we consider dimensional reduction on S^2 of the 5-dimensional minimal supergravity with curvature squared terms and obtain the truncated theory without any curvature squared terms. This truncated theory reproduces correctly the exact central charge of the boundary CFT.
LaTeX file, 22 pages

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High Energy Physics - Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/230705

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0710.4177
 http://arxiv.org/abs/0710.4177
 JHEP 0803:015,2008
 doi:10.1088/1126-6708/2008/03/015

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arXiv