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Browsing Physics by Author "Modesto, Leonardo"

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Browsing Physics by Author "Modesto, Leonardo"

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  • Black supernovae and black holes in non-local gravity 
    Bambi, Cosimo; Malafarina, Daniele; Modesto, Leonardo (ArXiv, 2016-04-22)
    In a previous paper, we studied the interior solution of a collapsing body in a non-local theory of gravity super-renormalizable at the quantum level. We found that the classical singularity is replaced by a bounce, after ...
  • Non-singular quantum-inspired gravitational collapse 
    Bambi, Cosimo; Malafarina, D.; Modesto, Leonardo (2013-08-07)
    We consider general relativistic homogeneous gravitational collapses for dust and radiation. We show that replacing the density profile with an effective density justified by some quantum gravity framework leads to the ...
  • Singularity avoidance in classical gravity from four-fermion interaction 
    Bambi, Cosimo; Malafarina, D.; Marcian`o, Antonino; Modesto, Leonardo (2014-05-26)
    We derive the dynamics of the gravitational collapse of a homogeneous and spherically symmetric cloud in a classical set-up endowed with a topological sector of gravity and a non-minimal coupling to fermions. The effective ...
  • Singularity avoidance in quantum-inspired inhomogeneous dust collapse 
    Liu, Yue; Malafarina, D.; Modesto, Leonardo; Bambi, Cosimo (2014-08-17)
    In a previous paper, some of us studied general relativistic homogeneous gravitational collapses for dust and radiation, in which the density profile was replaced by an effective density justified by some quantum gravity ...
  • Terminating black holes in asymptotically free quantum gravity 
    Bambi, Cosimo; Malafarina, D.; Modesto, Leonardo (2014-02-03)
    We study the homogeneous gravitational collapse of a spherical cloud of matter in a super-renormalizable and asymptotically free theory of gravity. We nd a picture that di ers substantially from the classical scenario. ...