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Article overview
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IR Horava-Lifshitz gravity coupled to Lorentz violating matter: A spectral action approach | | D. V. Lopes
; A. Mamiya
; A. Pinzul
; | | Date: |
1 Aug 2015 | | Abstract: | We continue our study of Horava-Lifshitz type theories using the methods of
the spectral geometry. In this work we construct the infrared action of gravity
and matter coupled to gravity in the most general way respecting the foliation
preserving diffeomorphisms. This is done with the help of the spectral action
principle based on some generalized Dirac operator. The gravity part reproduces
the infrared limit of the Horava-Lifshitz gravity, while the matter part gives
the generalization of the earlier suggested models. Due to the fact that the
same Dirac operator is used in the construction of both sectors, the parameters
of the gravity and matter parts are related. We expect that this potentially
could naturally exclude fine tunings needed to get some desired properties as
well as open new possibilities for the experimental tests of the model. | | Source: | arXiv, 1508.0137 | | Services: | Forum | Review | PDF | Favorites | |
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