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Non-metric gravity: A status report | Kirill Krasnov
; | Date: |
5 Nov 2007 | Abstract: | We review the status of a certain (infinite) class of four-dimensional
generally covariant theories propagating two degrees of freedom that are
formulated without any direct mention of the metric. General relativity itself
(in its Plebanski formulation) belongs to the class, so these theories are
examples of modified gravity. We summarize the current understanding of the
nature of the modification, of the renormalizability properties of these
theories, of their coupling to matter fields, and describe some of their
physical properties. | Source: | arXiv, 0711.0697 | Services: | Forum | Review | PDF | Favorites |
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