E-print Articles

E-print Articles

 

Recent Submissions

  • Lambiase, Gaetano; Mohanty, Subhendra; Narang, Ashish; Parashari, Priyank (Cornell University Library, 2018-04)
    It has been pointed out that there exists a tension in σ8−Ωm measurement between CMB and LSS observation. In this paper we show that σ8−Ωm observations can be used to test the dark energy theories. We study two models, (1) ...
  • Chakraborty, Kaustav; Deepthi, K.N.; Goswami, Srubabati; Joshipura, Anjan S.; Nath, Newton (Cornell University Library, 2018-04)
    We study origin, consequences and testability of a hypothesis of `partial μ-τ' reflection symmetry. This symmetry predicts |Uμi|=|Uτi| (i=1,2,3) for a single column of the leptonic mixing matrix U. Depending on whether ...
  • Kindra, Bharti; Mahajan, Namit (Cornell University Library, 2018-03)
    Exclusive semileptonic decays based on b→s transitions have been attracting a lot of attention as some angular observables deviate significantly from the Standard Model (SM) predictions in specific q2 bins. B meson decays ...
  • Bai, Rukmani; Bandyopadhyay, Soumik; Pal, Sukla; Suthar, K.; Angom, D. (Cornell University Library, 2018-02)
    Quantum Hall (QH) states of 2D single layer optical lattices are examined using Bose-Hubbard model (BHM) in presence of artificial gauge field. We study the QH states of both the homogeneous and inhomogeneous systems. For ...
  • Sengupta, Anand (Cornell University Library, 2018-02)
    The detection of gravitational waves with Advanced LIGO and Advanced Virgo has enabled novel tests of general relativity, including direct study of the polarization of gravitational waves. While general relativity allows ...
  • Sengupta, Anand et al., (Cornell University Library, 2018-02)
    We report on a new all-sky search for periodic gravitational waves in the frequency band 475-2000 Hz and with a frequency time derivative in the range of [-1.0e-8, +1e-9] Hz/s. Potential signals could be produced by a ...
  • Fairoos, C.; Ghosh, Avirup; Sarkar, Sudipta (Cornell University Library, 2018-02)
    We study the entropy evolution of black holes in Lovelock gravity by formulating a thermodynamic generalization of null Raychaudhuri equation. We show that the similarity between the expressions of entropy change of the ...
  • Parikh, Maulik; Sarkar, Sudipta; Svesko, Andrew (Cornell University Library, 2018-01)
    We find a local first law of thermodynamics, ΔE=TΔS−W, connecting gravitational entropy, S, with matter energy and work. For Einstein gravity S is the Bekenstein-Hawking entropy, while for more general theories of gravity ...
  • Kurian, Manu; Chandra, Vinod (Cornell University Library, 2017-09)
    Hot QCD medium effects have been studied in the effective quasi-particle description of quark-gluon plasma. This model encodes the collective excitation of gluons and quarks/anti-quarks in the thermal medium in terms of ...
  • Chakraborty, Sumanta; Ghosh, Avirup; Sarkar, Sudipta (Cornell University Library, 2017-09)
    Physical process version of the first law of black hole mechanics relates the change in entropy of a perturbed Killing horizon, between two asymptotic cross sections, to the matter flow into the horizon. In dynamical ...
  • Roy, Soumen; Sengupta, Anand S.; 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 ...
  • Kulkarni, Sumeet; Phukon, Khun Sang; Reza, Amit; Bose, Sukanta; Dasgupta, Anirban; Krishnaswamy, Dilip; Sengupta, Anand S. (Cornell University Library, 2018-01)
    Random projection (RP) is a powerful dimension reduction technique widely used in analysis of high dimensional data. We demonstrate how this technique can be used to improve the computational efficiency of gravitational ...
  • Singh, Chakresh Kumar; Jolad, Shivakumar (Cornell University Library, 2018-01)
    We trace the evolution of Indian physics community from 1919 to 2013 by analysing the coauthorship network constructed from papers published by authors in India in American Physical Society journals. We make inferences on ...
  • Mitra, Sukanya; Chandra, Vinod (Cornell University Library, 2018-01)
    An effective relativistic kinetic theory has been constructed for an interacting system of quarks, anti-quarks and gluons within a quasi-particle description of hot QCD medium at finite temperature and baryon chemical ...
  • Coleppa, Baradhwaj; Fuks, Benjamin; Poulose, P.; Sahoo, Shibananda (Cornell University Library, 2017-12)
    We investigate the LHC discovery prospects for a heavy Higgs boson decaying into the Standard Model Higgs boson and additional weak bosons. We consider a generic model-independent new physics configuration where this decay ...
  • Sengupta, Anand (Cornell University Library, 2017-11)
    On June 8, 2017 at 02:01:16.49 UTC, a gravitational-wave signal from the merger of two stellar-mass black holes was observed by the two Advanced LIGO detectors with a network signal-to-noise ratio of 13. This system is the ...
  • Singh, Balbeer; Thakur, Lata; Mishra, Hiranmaya (Cornell University Library, 2017-11)
    We study the effect of strong constant magnetic field, generated in relativistic heavy ion collisions, on the heavy quark complex potential. We work in the strong magnetic field limit with lowest Landau level approximation. ...
  • Chauhan, Bhavesh (Cornell University Library, 2017-11)
    In this paper, we present a model for sub-MeV dark matter with strong self interactions which can solve some of the small scale crisis of the ?CDM. The dark matter is a Majorana fermion with only off-diagonal interactions ...
  • Sengupta, Anand (Cornell University Library, 2017-10)
    The first observation of a binary neutron star coalescence by the Advanced LIGO and Advanced Virgo gravitational-wave detectors offers an unprecedented opportunity to study matter under the most extreme conditions. After ...

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