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A Noncommutative Deformation of General Relativity

Ivan Avramidi

hep-tharXiv:hep-th/0310009

Abstract

We develop a novel approach to gravity in which gravity is described by a matrix-valued symmetric two-tensor field and construct an invariant functional that reduces to the standard Einstein-Hilbert action in the commutative limit. We also introduce a gauge symmetry associated with the new degrees of freedom.

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