Zobrazeno 1 - 10
of 774
pro vyhledávání: '"PAUL, BISWAJIT"'
Centaurus X-3 is a persistent high-mass X-ray binary with the long-term light curve from the source exhibiting orbit-to-orbit intensity variations with no apparent superorbital periodicity. We used $\sim$13.5 years of MAXI/GSC data to study the long-
Externí odkaz:
http://arxiv.org/abs/2410.17695
Autor:
Mukherjee, Kaushiki, Paul, Biswajit
Entanglement and nonlocality are two important nonclassical features of quantum correlations. Recently the study of quantum correlations in networks has undergone remarkable progress owing to technological development towards scalable quantum network
Externí odkaz:
http://arxiv.org/abs/2410.15131
Autor:
Sharma, Rahul, Mandal, Manoj, Pal, Sabyasachi, Paul, Biswajit, Jaisawal, G. K., Ratheesh, Ajay
The Be/X-ray binary pulsar RX J0440.9+4431 went through a giant outburst in December 2022 with a peak flux of $\sim$2.3 Crab in 15--50 keV. We studied the broad-band timing and spectral properties of RX J0440.9+4431 using four $AstroSat$ observations
Externí odkaz:
http://arxiv.org/abs/2409.11121
The Aharonov-Bohm (AB) caging is the phenomenon of extreme localization of particles experiencing magnetic field in certain tight binding lattices. While the AB caging involves the localization of non-interacting particles, it often breaks down due t
Externí odkaz:
http://arxiv.org/abs/2409.05853
The Be X-ray binary 4U 0115$+$63 underwent a giant outburst in 2023 with the X-ray luminosity of the source reaching 10$^{38}$ erg s$^{-1}$. During the outburst, two target of opportunity observations were made with \textit{NuSTAR}. The main goal of
Externí odkaz:
http://arxiv.org/abs/2407.13869
Autor:
Kaur, Kawaljeet, Paul, Biswajit
A non-Hermitian complex scalar field model is considered from its $\mc{PT}$ symmetric aspect. A matrix constructed from the Euler-Lagrange equations of motion is utilized to analyze the states of the model. The model has two mass terms which determin
Externí odkaz:
http://arxiv.org/abs/2407.05821
We present the results from an investigation of the energy dependence of Quasi-Periodic Oscillations (QPOs) exhibited by accreting X-ray pulsars using data from archival \textit{XMM-Newton}, \textit{NuSTAR}, \textit{RXTE}, and \textit{NICER} observat
Externí odkaz:
http://arxiv.org/abs/2404.19323
We report here results from pulse arrival time delay analysis of the eclipsing high mass X-ray binary pulsar LMC X-4 using observations made with the Rossi X-ray Timing Explorer, XMM-Newton, NuSTAR and AstroSat. Combining the orbital parameters deter
Externí odkaz:
http://arxiv.org/abs/2403.09595
In eclipsing X-ray binary systems, the direct X-ray emission is blocked by the companion star during the eclipse. We observe only reprocessed emission that contains clues about the environment of the compact object and its chemical composition, ioniz
Externí odkaz:
http://arxiv.org/abs/2403.05936
Autor:
Paul, Biswajit, Mishra, Tapan
Dynamical formation of doublons or onsite repulsively bound pairs of particles on a lattice is a highly non-trivial phenomenon. In this work we show the signatures of doublon formation in a quantum computing experiment by simulating the continuous ti
Externí odkaz:
http://arxiv.org/abs/2403.02229