DSpace - Tor Vergata: Item 2108/229

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Title:	Strings on AdS_3 x S^3 and the Plane Wave Limit
Authors:	Bianchi, Massimo Zapata, Oswaldo
Issue Date:	8-Mar-2006
Abstract:	Strings on AdS_3 x S^3 and the Plane Wave Limit Oswaldo Zapata The AdS_{d+1}/CFT_d holographic correspondence suggests a relationship between string theory, the only known consistent formulation of quantum gravity, and a superconformal field theory where gravity is absent. In this correspondence the strings live in a ten-dimensional space-time given by a direct product of an anti de-Sitter space (AdS), a space with negative cosmological constant, and a sphere (S). On the other hand the conformal field theory is only defined on the boundary of such an AdS space. In the last years this conjecture has passed a large number of tests, especially in the AdS_5/CFT_4 case, and it continues to be intensively studied, in part due to the weak/strong coupling connection that links the two sides of the correspondence. Another realization of the correspondence is given by superstrings living on a AdS_3 x S ^3 x M_4 bulk space and a two-dimensional superconformal boundary field theory that is ex...
URI:	http://hdl.handle.net/2108/229
Appears in Collections:	Tesi di dottorato in scienze matematiche e fisiche

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