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  • Bhattacharyya, Arpan; Das, Saurya; Haque, S. Shajidul; Underwood, Bret (Cornell University Library, 2020-01)
    We compute the quantum circuit complexity of the evolution of scalar curvature perturbations on expanding backgrounds, using the language of squeezed vacuum states. In particular, we construct a simple cosmological model ...
  • 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 ...
  • Jamadagni, Amit; Bhattacharyya, Arpan (Cornell University Library, 2020-04)
    One of the important characteristics of topological phases of matter is the topology of the underlying manifold on which they are defined. In this paper, we present the sensitivity of such phases of matter to the underlying ...

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