Disformal transformations, veiled General Relativity and Mimetic Gravity

In this Note we show that Einstein's equations for gravity are generically invariant under ''disformations''. We also show that the particular subclass when this is not true yields the equations of motion of ''Mimetic Gravity''. Finally we give the '...

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Veröffentlicht in:	Journal of cosmology and astroparticle physics 2014-09, Vol.2014 (9), p.2-2
Hauptverfasser:	Deruelle, Nathalie, Rua, Josephine
Format:	Artikel
Sprache:	eng
Schlagworte:	ASTROPHYSICS, COSMOLOGY AND ASTRONOMY EINSTEIN FIELD EQUATIONS EQUATIONS OF MOTION GENERAL RELATIVITY THEORY GRAVITATION SCHWARZSCHILD METRIC TRANSFORMATIONS YIELDS
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Beschreibung
Zusammenfassung:	In this Note we show that Einstein's equations for gravity are generically invariant under ''disformations''. We also show that the particular subclass when this is not true yields the equations of motion of ''Mimetic Gravity''. Finally we give the ''mimetic'' generalization of the Schwarzschild solution.
ISSN:	1475-7516 1475-7516
DOI:	10.1088/1475-7516/2014/09/002