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Mimetic Hořava gravity
We show that the scalar field of mimetic gravity could be used to construct diffeomorphism invariant models that reduce to Hořava gravity in the synchronous gauge. The gradient of the mimetic field provides a timelike unit vector field that allows to define a projection operator of four-dimensional...
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| Hauptverfasser: | , , |
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| Format: | Artigo |
| Sprache: | Inglês |
| Veröffentlicht: |
Elsevier
2019-11-01
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| Schriftenreihe: | Physics Letters B |
| Online Zugang: | http://www.sciencedirect.com/science/article/pii/S0370269319306616 |
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