A Noncommutative Deformation of General Relativity
classification
✦ hep-th
keywords
gravityactionapproachassociatedcommutativeconstructdeformationdegrees
read the original 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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