5k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Birla Institute of Technology and Science, PilaniIN126 papers
- Homi Bhabha National InstituteIN13 papers
- Saha Institute of Nuclear PhysicsIN11 papers
- GLA UniversityIN10 papers
- Centre National de la Recherche ScientifiqueFR8 papers
- University of CoimbraPT8 papers
- Charotar University of Science and TechnologyIN7 papers
- Indian Institute of Science BangaloreIN7 papers
- Indian Institute of Science Education and Research KolkataIN7 papers
- Indian Institute of AstrophysicsIN5 papers
- Massachusetts Institute of TechnologyUS5 papers
- Microsoft Research (India)IN5 papers
26 papers · 1 filter
Gravitational Collapse in General Relativity and in -gravity: A Comparative Study
Artyom V. Astashenok, Karim Mosani, Sergey D. Odintsov +1
We compare the gravitational collapse of homogeneous perfect fluid with various equations of state in the framework of General Relativity and in gravity. We make our calculat…
Deep Reader: Information extraction from Document images via relation extraction and Natural Language
Vishwanath D, Rohit Rahul, Gunjan Sehgal +6
Recent advancements in the area of Computer Vision with state-of-art Neural Networks has given a boost to Optical Character Recognition (OCR) accuracies. However, extracting charac…
Properties of Neutron Stars with hyperon cores in parameterized hydrostatic conditions
Debashree Sen, Kinjal Banerjee, T. K. Jha
Models of neutron stars (NSs) with hyperon cores are constructed with an effective chiral model in mean-field approximation. The hyperon couplings are fixed by reproducing their ex…
Three-step alternating iterations for index one matrices
Ashish Kumar Nandi, Jajati Keshari Sahoo, Debasisha Mishra
Iterative methods based on matrix splittings are useful in solving large sparse linear systems. In this direction, proper splittings and its several extensions are used to deal wit…
The nucleon effective mass and its isovector splitting
Tuhin Malik, C. Mondal, B. K. Agrawal +2
Using an energy density functional (EDF) based on the thermodynamic Gibbs-Duhem relation, found equivalent to the standard Skyrme EDF for infinite nuclear matter, it is demonstrate…
Effects of hadron-quark phase transition on properties of Neutron Stars
Debashree Sen, T. K. Jha
We investigate the possible scenario of deconfinement of hyperon rich hadronic matter to quark matter at high densities and the resulting hybrid star (HS) properties are analyzed.…
Deconfinement of non-strange hadronic matter with nucleons and baryons to quark matter in neutron stars
Debashree Sen, T. K. Jha
We explore the possibility of formation of baryons (1232 MeV) in neutron star matter in an effective chiral model within the relativistic mean-field framework. With variation i…
Traversable Wormholes with Exponential Shape Function in Modified Gravity and in General Relativity: A Comparative Study
Gauranga C. Samanta, Nisha Godani, Kazuharu Bamba
We have proposed a novel shape function on which the metric that models traversable wormholes is dependent. Using this shape function, the energy conditions, equation of state and…
Traversable Wormholes and Energy Conditions with Two Different Shape Functions in Gravity
Nisha Godani, Gauranga C. Samanta
Traversable wormholes, tunnel like structures introduced by Morris \& Thorne \cite{morris1}, have a significant role in connection of two different space-times or two different par…
Nonlinear electrodynamics, singularities and accelerated expansion
Gauranga C. Samanta, Shantanu K. Biswal, Kazuharu Bamba
Non-linear electrodynamics coupled to general relativity is investigated. In general relativity, it is observed that the expansion of the universe is accelerating if the source of…
Model-independent Astrophysical Constraints on Leptophilic Dark Matter in the Framework of Tsallis Statistics
Atanu Guha, P. S. Bhupal Dev, Prasanta Kumar Das
We derive model-independent astrophysical constraints on leptophilic dark matter (DM), considering its thermal production in a supernova core and taking into account core temperatu…
An investigation of a deep learning based malware detection system
Mohit Sewak, Sanjay K. Sahay, Hemant Rathore
We investigate a Deep Learning based system for malware detection. In the investigation, we experiment with different combination of Deep Learning architectures including Auto-Enco…
A study on the use of Boundary Equilibrium GAN for Approximate Frontalization of Unconstrained Faces to aid in Surveillance
Wazeer Zulfikar, Sebastin Santy, Sahith Dambekodi +1
Face frontalization is the process of synthesizing frontal facing views of faces given its angled poses. We implement a generative adversarial network (GAN) with spherical linear i…
Dark energy in spherically symmetric universe coupled with Brans-Dicke scalar field
Koijam Manihar Singh, Gauranga C. Samanta
The phenomenon of dark energy and its manifestations are studied in a spherically symmetric universe considering the Brans-Dicke scalar tensor theory. In the first model the dark e…
Logical Explanations for Deep Relational Machines Using Relevance Information
Ashwin Srinivasan, Lovekesh Vig, Michael Bain
Our interest in this paper is in the construction of symbolic explanations for predictions made by a deep neural network. We will focus attention on deep relational machines (DRMs,…
Confronting nuclear equation of state in the presence of dark matter using GW170817 observation in relativistic mean field theory approach
Arpan Das, Tuhin Malik, Alekha C. Nayak
We confront admixture of dark matter inside neutron star using gravitational wave constraints coming from binary neutron star merger. We consider a relativistic mean field model in…
2D superconductivity and vortex dynamics in 1T-MoS2
Chithra H. Sharma, Ananthu P. Surendran, Sangeeth S. Varma +1
Two-dimensional (2D) superconductivity is a fascinating phenomenon packed with rich physics and wide technological application. The vortices and their dynamics arising from classic…
GW170817: constraining the nuclear matter equation of state from the neutron star tidal deformability
Tuhin Malik, N. Alam, M. Fortin +5
Constraints set on key parameters of the nuclear matter equation of state (EoS) by the values of the tidal deformability, inferred from GW170817, are examined by using a diverse se…
Open quantum systems with local and collective incoherent processes: Efficient numerical simulation using permutational invariance
Nathan Shammah, Shahnawaz Ahmed, Neill Lambert +2
The permutational invariance of identical two-level systems allows for an exponential reduction in the computational resources required to study the Lindblad dynamics of coupled sp…
Entanglement Breaking Rank and the existence of SIC POVMs
Satish K. Pandey, Vern I. Paulsen, Jitendra Prakash +1
We introduce and study the entanglement breaking rank of an entanglement breaking channel. We show that the entanglement breaking rank of the channel def…
Spin-Polarized Tunneling through Chemical Vapor Deposited Multilayer Molybdenum Disulfide
André Dankert, Parham Pashaei, M. Venkata Kamalakar +10
The two-dimensional (2D) semiconductor molybdenum disulfide (MoS2) has attracted widespread attention for its extraordinary electrical, optical, spin and valley related properties.…
Collecting Diverse Natural Language Inference Problems for Sentence Representation Evaluation
Adam Poliak, Aparajita Haldar, Rachel Rudinger +4
We present a large-scale collection of diverse natural language inference (NLI) datasets that help provide insight into how well a sentence representation captures distinct types o…
Qualitative behavior of cosmological models combining various matter fields
Parth Shah, Gauranga C. Samanta, Salvatore Capozziello
The late time accelerated expansion of the universe can be realized using scalar fields with given self-interacting potentials. Here we consider a straightforward approach where a…
Constraints on light Dark Matter fermions from relic density consideration and Tsallis statistics
Atanu Guha, Prasanta Kumar Das
The cold dark matter fermions with mass MeV scale, pair produced inside the supernova SN1987A core, can freely stream away from the supernovae and hence contributes to its energy l…