Exploring the parameter space of modified supergravity for double inflation and primordial black hole formation
Sign Up to like & getrecommendations! Published in 2021 at "Classical and Quantum Gravity"
DOI: 10.1088/1361-6382/ac3bd9
Abstract: We study the parameter space of the effective (with two scalars) models of cosmological inflation and primordial black hole (PBH) formation in the modified (R+ R 2) supergravity. Our models describe double inflation, whose first… read more here.
Keywords: formation; primordial black; parameter space; inflation primordial ... See more keywords
Inflation and primordial fluctuations in F(T) gravity’s rainbow
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DOI: 10.1103/physrevd.105.043523
Abstract: We study slow-roll inflation and the generation of primordial fluctuations in F (T ) gravity’s rainbow. We obtain the second order action for scalar and tensor perturbations and then calculate the primordial power spectrum for… read more here.
Keywords: primordial fluctuations; gravity rainbow; inflation primordial; fluctuations gravity ... See more keywords
Inflation and Primordial Black Holes
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DOI: 10.3390/universe9050203
Abstract: We review conceptual aspects of inflationary scenarios able to produce primordial black holes by amplifying the size of curvature fluctuations to the level required to trigger black hole formation. We identify general mechanisms to do… read more here.
Keywords: field inflation; primordial black; inflation primordial; inflation ... See more keywords