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2019

Mimetic Horava Gravity

Chamseddine, Ali H., Mukhanov, Viatcheslav, Russ, Tobias B.

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We show that the scalar field of mimetic gravity could be used to construct diffeomorphism invariant models that reduce to Horava 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 tensors to three-dimensional spatial tensors.
Conversely, it also enables us to write quantities invariant under space diffeomorphisms in fully covariant form without the need to introduce new propagating degrees of freedom.

Mimetic Horava Gravity · Around

Built on

G. Leibbrandt, Introduction to noncovariant gauges
1987
Earlier work this paper cites.
C. Germani, A. Kehagias and K. Sfetsos, Relativistic Quantum Gravity at a Lifshitz point,
2009
Earlier work this paper cites.
P. Hořava, Quantum Gravity at a Lifshitz point,
2009
Earlier work this paper cites.
A. H. Chamseddine and V. Mukhanov, Mimetic Dark Matter,
2013
Earlier work this paper cites.

Similar

A. Golovnev, On the Recently Proposed Mimetic Dark Matter,
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A. H. Chamseddine, V. Mukhanov and A. Vikman, Cosmology with Mimetic Matter,
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A. Barvinsky, D. Blas, M. Herrero-Valea, S. Sibiryakov and C. Steinwachs, Renormalization of Hořava Gravity,
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Then

A. H. Chamseddine and V. Mukhanov, Nonsingular Black Hole,
2017
Later among the works it cites.
A. Wang, Hořava Gravity at a Lifshitz Point: A Progress Report,
2017
Later among the works it cites.
A. Barvinsky, M. Herrero-Valea and S. Sibiryakov, Towards the renormalization group flow of Hořava gravity in ( 3 + 1 ) (3+1) dimensions,
2019
Closest in time.
A. H. Chamseddine, V. Mukhanov and T. B. Russ, Asymptotically Free Mimetic Gravity,
2019
Closest in time.

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