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Subjects

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  • Bhattacharya, Aranya; Bhattacharyya, Arpan; Nandy, Pratik; Patra, Ayan K. (Cornell University, 2021-12)
    Considering a doubly holographic model, we study the evolution of holographic subregion complexity corresponding to deformations of bath state by a relevant scalar operator, which corresponds to a renormalization group ...
  • Poddar, Tanmay Kumar (Cornell University Library, 2021-11)
    The geodetic and frame-dragging effects are the direct consequences of the spacetime curvature near earth which can be probed from the Gravity probe B satellite. The satellite result matches quite well with Einstein's ...
  • Roy, Soumen; Sengupta, Anand; Ajith, Parameswaran (Cornell University Library, 2017-11)
    Recent discoveries of gravitational wave (GW) signals from astrophysical compact binary systems of neutron stars and black holes have firmly established them as prime sources for advanced GW detectors. Accurate theoretical ...
  • Sengupta, Anand (arXiv, Cornell University Library, 2014-05)
    We present the first results of an all-sky search for continuous gravitational waves from unknown spinning neutron stars in binary systems using LIGO and Virgo data. Using a specially developed analysis program, the TwoSpect ...
  • Sarkar, Sudipta et al. (Cornell University Library, 2021-10)
    Thanu Padmanabhan was a renowned Indian theoretical physicist known for his research in general relativity, cosmology, and quantum gravity. In an extraordinary career spanning forty-two years, he published more than three ...
  • 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 ...
  • Poddar, Tanmay Kumar (Cornell University Library, 2021-10)
    The evidence of gravitational wave was first indirectly confirmed by the orbital period loss of Hulse-Taylor binary system which agrees well with the Einstein's general relativistic prediction. The perihelion precession ...
  • Purohit, Kuldeep J.; Natwariya, Pravin Kumar; Bhatt, Jitesh R.; Mehta, Prashant K. (2021-09)
    We study numerical evolutions of an initial cloud of self-gravitating bosonic dark matter with finite angular momentum. It is demonstrated that the initial spinning scalar cloud can undergo a gravitational condensation to ...
  • Sengupta, Anand (Cornell University Library, 2013-09)
    Long gamma-ray bursts (GRBs) have been linked to extreme core-collapse supernovae from massive stars. Gravitational waves (GW) offer a probe of the physics behind long GRBs. We investigate models of long-lived (~10-1000s) ...
  • Chakravarti, Kabir; Ghosh, Rajes; Sarkar, Sudipta (Cornell University, 2021-12)
    A classical black hole is characterized by a horizon that absorbs radiation of all frequencies incident on it. Perturbation of these black holes is well-understood via exponentially damped sinusoids known as quasi-normal ...

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