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  • Bhattacharjee, Srijit; Maity, Debaprasad; Mukherjee, Rupak (Cornell University Library, 2016-04)
    We revisit the inflationary dynamics in detail for theories with Gauss-Bonnet gravity coupled to scalar functions in light of PLANCK. Considering a chaotic inflationary scenario for two models involving inflaton-Gauss-Bonnet ...
  • Bhattacharjee, Srijit; Bhattacharyya, Arpan; Sarkar, Sudipta; Sinha, Aninda (Cornell University Library, 2015-07)
    We show that for a general four derivative theory of gravity, only the holographic entanglement entropy functionals obey the second law at linearized order in perturbations. We also derive bounds on the higher curvature ...
  • Bhattacharjee, Srijit; Sarkar, Sudipta; Wall, Aron C. (Cornell University Library, 2015-04)
    Standard methods for calculating the black hole entropy beyond general relativity are ambiguous when the horizon is non stationary. We fix these ambiguities in all quadratic curvature gravity theories, by demanding that ...
  • Bhattacharjee, Srijit; Sarkar, Sudipta; Virmani, Amitabh (Cornell University Library, 2016-04)
    When an electrically charged black hole is perturbed its inner horizon becomes a singularity, often referred to as the Poisson-Israel mass inflation singularity. Ori constructed a model of this phenomenon for asymptotically ...
  • Bhattacharjee, Srijit; Sarkar, Sudipta (Cornell University Library, 2017-04)
    We prove the non existence of massive scalar, vector and tensor hairs outside the surface of a static and stationary compact reflecting star. Our result is the extension of the no hair theorem for black holes to horizonless ...
  • Bhattacharjee, Srijit; Sarkar, Sudipta (arXiv Cornell University Library, 2014-12)
    We study the perturbation induced by a slowly rotating massive object as it passes through a Rindler horizon. It is shown that the passage of this object can be approximately modeled as Delta\,function type tidal distortions ...

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