• Overcharging a multi black hole system and cosmic censorship 

  Mishra, Akash K.; Sarkar, Sudipta (Cornell University Library, 2019-05)

  We study the generalization of the gadenken experiment of overcharging an extremal black hole proposed by Wald in the context of a multi black hole solution. In particular, we attempt to overcharge a system of two extremal ...
• Single photon sources with different spatial modes 

  Lal, Nijil; Banerji, Anindya; Biswas, Ayan; Anwar, Ali; Singh, R. P. (Cornell University Library, 2019-05)

  We study the correlation properties of single photons carrying orbital angular momentum (OAM) in a Hanbury Brown and Twiss (HBT) type experiment. We have characterized single photon sources obtained by pumping a nonlinear ...
• Constraining a general U(1)′ inverse seesaw model from vacuum stability, dark matter and collider 

  Das, Arindam; Goswami, Srubabati; K. N., Vishnudath; Nomura, Takaaki (Cornell University Library, 2019-05)

  We consider a class of gauged U(1) extensions of the Standard Model (SM), where the light neutrino masses are generated by an inverse seesaw mechanism. In addition to the three right handed neutrinos, we add three singlet ...
• Supersolid phase of extended Bose-Hubbard model with artificial gauge field 

  Suthar, K.; Bai, Rukmani; Bandyopadhyay, Soumik; Pal, Sukla; Angom, D. (Cornell University Library, 2019-04)

  We examine the zero and finite temperature phase diagram of the extended Bose-Hubbard model on a square optical lattice. To study various quantum phases and their transitions we employ single-site and cluster Gutzwiller ...
• Quantum statistical enhancement of the collective performance of multiple bosonic engines 

  Watanabe, Gentaro; Venkatesh, B. Prasanna; Talkner, Peter; Hwang, Myung-Joong; Campo, Adolfo del (Cornell University Library, 2019-04)
• A subset selection based approach to finding important structure of complex networks 

  Tripathi, Richa; Reza, Amit (Cornell University Library, 2019-03)

  Most of the real world networks such as the internet network, collaboration networks, brain networks, citation networks, powerline and airline networks are very large and to study their structure, and dynamics one often ...
• Time and phase resolved optical spectra of potentially hazardous asteroid 2014 JO25 

  Venkataramani, Kumar; Ganesh, Shashikiran; Rai, Archita; Husárik, Marek; Baliyan, Kiran S.; Joshi, U.C. (Cornell University Library, 2019-03)

  The asteroid 2014 JO25, considered to be "potentially hazardous" by the Minor Planet Center, was spectroscopically followed during its close-Earth encounter on 19th and 20th of April 2017. The spectra of the asteroid were ...
• Understanding photon sphere and black hole shadow in dynamically evolving spacetimes 

  Mishra, Akash K.; Chakraborty, Sumanta; Sarkar, Sudipta (Cornell University Library, 2019-03)

  We study rheology, microstructure, and response to an applied electric field (E) in suspensions of fumed alumina (Al2O3) nanoparticles in a nematic liquid crystal (NLC) made of N-(4-methoxybenzylidene)-4-butylaniline (MBBA). ...
• Prediction of the disease controllability in a complex network using machine learning algorithms 

  Tripathi, Richa; Reza, Amit; Garg, Dinesh (Cornell University Library, 2019-02)

  The application of machine learning (ML) techniques spans a vast spectrum of applications ranging from speech, face and character recognition to medical diagnosis to anomaly detection in data and the general classification, ...
• First order dissipative hydrodynamics from an effective covariant kinetic theory 

  Bhadury, Samapan; Kurian, Manu; Chandra, Vinod; Jaiswal, Amaresh (Cornell University Library, 2019-02)

  The probability densities of work that can be exerted on a quantum system initially staying in thermal equilibrium are constrained by the fluctuation relations of Jarzynski and Crooks, when the work is determined by two ...
• Narrow-band search for gravitational waves from known pulsars using the second LIGO observing run 

  Sengupta, Anand (Cornell University Library, 2019-02)

  Isolated spinning neutron stars, asymmetric with respect to their rotation axis, are expected to be sources of continuous gravitational waves. The most sensitive searches for these sources are based on accurate matched ...
• Longitudinal conductivity of hot magnetized collisional QCD medium in the inhomogeneous electric field 

  Kurian, Manu; Chandra, Vinod (Cornell University Library, 2019-02)

  The longitudinal current density induced by the inhomogeneous electric field in the hot magnetized quark-gluon plasma has been investigated and utilized in obtaining the conductivity of the medium. The analysis has been ...
• Enhancing the hierarchy and octant sensitivity of ESS?SB in conjunction with T2K, NO?A and ICAL@INO 

  Chakraborty, Kaustav; Goswami, Srubabati; Gupta, Chandan; Thakore, Tarak (Cornell University Library, 2019-02)

  The main aim of the ESSνSB proposal is the discovery of the leptonic CP phase δCP with a high significance (5σ for 50% values of δCP) by utilizing the physics at the second oscillation maxima of the Pμe channel. It can ...
• First measurement of the Hubble constant from a dark standard siren using the Dark Energy Survey galaxies and the LIGO/Virgo binary-black-hole merger GW170814 

  Sengupta, Anand, et.al. (Cornell University Library, 2019-01)

  We present a multi-messenger measurement of the Hubble constant H_0 using the binary-black-hole merger GW170814 as a standard siren, combined with a photometric redshift catalog from the Dark Energy Survey (DES). The ...
• General structure of neutral ρ meson self energy and its spectral properties in hot and dense magnetized medium 

  Ghosh, Snigdha; Mukherjee, Arghya; Roy, Pradip; Sarkar, Sourav (Cornell University Library, 2019-01)

  The one loop self energy of the neutral rho meson is obtained for the effective ρππ and ρNN interaction at finite temperature and density in presence of a constant background magnetic field of arbitrary strength. In our ...
• Spin Polarization and Chiral condensation in 2+1 flavor Nambu-Jona-Lasinio model at finite temperature and baryon chemical potential 

  Abhishek, Aman; Das, Arpan; Mishra, Hiranmaya; Mohapatra, Ranjita K. (Cornell University Library, 2018-12)

  One of the recent interests in high energy physics is to study the phase diagram of strongly interacting matter.QCD phase diagram has been studied extensively in the temperature (T) - baryon chemical potential (μB) plane ...
• Searches for continuous gravitational waves from fifteen supernova remnants and fomalhaut b with Advanced LIGO 

  Sengupta.et.al., Anand (Cornell University Library, 2018-12)

  We describe directed searches for continuous gravitational waves from sixteen well localized candidate neutron stars assuming none of the stars has a binary companion. The searches were directed toward fifteen supernova ...
• B→K∗2(1430)ℓ+ℓ− distributions in Standard Model at large recoil 

  Das, Diganta; Kindra, Bharti; Kumar, Girish; Mahajan, Namit (Cornell University Library, 2018-12)

  We study the rare decay B→K∗2(1430)(→Kπ)ℓ+ℓ− in the Standard Model and beyond. Working in the transversity basis, we exploit the relations between the heavy-to-light form factors in the limit of heavy quark (mb→∞) and large ...
• Heavy quark diffusion in a Polyakov loop plasma 

  Singh, Balbeer; Abhishek, Aman; Das, Santosh K.; Mishra, Hiranmaya, (Cornell University Library, 2018-12)

  We calculate the transport coefficients, drag and momentum diffusion, of a heavy quark in a thermalised plasma of light quarks in the background of Polyakov loop. Quark thermal mass and the gluon Debye mass are calculated ...
• A leptoquark resolution to flavor and ANITA anomalies 

  Chauhan, Bhavesh; Mohanty, Subhendra (Cornell University Library, 2018-12)

  The ANITA experiment has seen anomalous Earth emergent showers of EeV energies which cannot be explained with Standard Model interactions. On the other hand, collider tests of lepton flavor universality have shown significant ...

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