Mimetic Hořava gravity

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dc.contributor.authorChamseddine, Ali H.
dc.contributor.authorMukhanov, Viatcheslav F.
dc.contributor.authorRuss, Tobias B.
dc.contributor.departmentDepartment of Physics
dc.contributor.facultyFaculty of Arts and Sciences (FAS)
dc.contributor.institutionAmerican University of Beirut
dc.date.accessioned2025-01-24T11:25:11Z
dc.date.available2025-01-24T11:25:11Z
dc.date.issued2019
dc.description.abstractWe 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 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. © 2019 The Authors
dc.identifier.doihttps://doi.org/10.1016/j.physletb.2019.134939
dc.identifier.eid2-s2.0-85072586583
dc.identifier.urihttp://hdl.handle.net/10938/26240
dc.language.isoen
dc.publisherElsevier B.V.
dc.relation.ispartofPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
dc.sourceScopus
dc.subjectNuclear and high energy physics
dc.titleMimetic Hořava gravity
dc.typeArticle

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