Comments on noncommutative gravity

Luis Álvarez-Gaumé; Frank Meyer; Miguel A. Vázquez-Mozo

doi:10.1016/j.nuclphysb.2006.07.009

Comments on noncommutative gravity

Luis Álvarez-Gaumé
, Frank Meyer
, Miguel A. Vázquez-Mozo

Simons Center for Geometry & Physics

Ludwig Maximilian University of Munich
Max Planck Institute for Physics (Werner Heisenberg Institute)
Universidad de Salamanca

Research output: Contribution to journal › Article › peer-review

98 Scopus citations

Abstract

We study the possibility of obtaining noncommutative gravity dynamics from string theory in the Seiberg-Witten limit. We find that the resulting low-energy theory contains more interaction terms than those proposed in noncommutative deformations of gravity. The rôle of twisted diffeomorphisms in string theory is studied and it is found that they are not standard physical symmetries. It is argued that this might be the reason why twisted diffeomorphisms are not preserved by string theory in the low energy limit. Twisted gauge transformations are also discussed.

Original language	English
Pages (from-to)	92-117
Number of pages	26
Journal	Nuclear Physics, Section B
Volume	753
Issue number	1-2
DOIs	https://doi.org/10.1016/j.nuclphysb.2006.07.009
State	Published - Oct 2 2006

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10.1016/j.nuclphysb.2006.07.009

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abstract = "We study the possibility of obtaining noncommutative gravity dynamics from string theory in the Seiberg-Witten limit. We find that the resulting low-energy theory contains more interaction terms than those proposed in noncommutative deformations of gravity. The r{\^o}le of twisted diffeomorphisms in string theory is studied and it is found that they are not standard physical symmetries. It is argued that this might be the reason why twisted diffeomorphisms are not preserved by string theory in the low energy limit. Twisted gauge transformations are also discussed.",

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AU - Vázquez-Mozo, Miguel A.

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N2 - We study the possibility of obtaining noncommutative gravity dynamics from string theory in the Seiberg-Witten limit. We find that the resulting low-energy theory contains more interaction terms than those proposed in noncommutative deformations of gravity. The rôle of twisted diffeomorphisms in string theory is studied and it is found that they are not standard physical symmetries. It is argued that this might be the reason why twisted diffeomorphisms are not preserved by string theory in the low energy limit. Twisted gauge transformations are also discussed.

AB - We study the possibility of obtaining noncommutative gravity dynamics from string theory in the Seiberg-Witten limit. We find that the resulting low-energy theory contains more interaction terms than those proposed in noncommutative deformations of gravity. The rôle of twisted diffeomorphisms in string theory is studied and it is found that they are not standard physical symmetries. It is argued that this might be the reason why twisted diffeomorphisms are not preserved by string theory in the low energy limit. Twisted gauge transformations are also discussed.

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JO - Nuclear Physics, Section B

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Comments on noncommutative gravity

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