Geodesic
Emergent Planck mass and dark energy from affine gravity
Teoretičeskaâ i matematičeskaâ fizika, Tome 209 (2021) no. 1, pp. 125-141

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We introduce a novel model of affine gravity, which implements the no-scale scenario. Namely, the Planck mass and Hubble constant emerge dynamically in our model, through the mechanism of spontaneous breaking of scale invariance. This naturally gives rise to inflation, thus introducing a new inflationary mechanism. Moreover, the time direction and nondegenerate metric emerge dynamically as well, which allows considering the usual General Relativity as an effective theory. We show that our model is phenomenologically viable, both from the perspective of the direct tests of gravity and from the standpoint of cosmological evolution.
Keywords: general relativity, affine gravity, dark energy, spontaneous symmetry breaking
Mots-clés : scale invariance. 
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     author = {I. V. Kharuk},
     title = {Emergent {Planck} mass and dark energy from affine gravity},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {125--141},
     publisher = {mathdoc},
     volume = {209},
     number = {1},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2021_209_1_a6/}
}
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I. V. Kharuk. Emergent Planck mass and dark energy from affine gravity. Teoretičeskaâ i matematičeskaâ fizika, Tome 209 (2021) no. 1, pp. 125-141. http://geodesic.mathdoc.fr/item/TMF_2021_209_1_a6/