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  • Arya, Richa (Cornell University Library, 2019-10)
    Primordial Black Holes (PBHs) serve as a unique probe to the physics of the early Universe, particularly inflation. In light of this, we study the formation of PBHs by the collapse of overdense perturbations generated ...
  • Arya, Richa; Mahajan, Namit; Rangarajan, Raghavan (Cornell University Library, 2016-08)
    We study the production of spin 1/2 gravitinos in a thermal Universe. Taking into account supersymmetry breaking due to the finite thermal energy density of the Universe, there is a large enhancement in the cross section ...

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