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13 papers · 1 filter
Gravitational wave echoes from strange stars for various equations of state
Jyatsnasree Bora, Umananda Dev Goswami
The tentative Gravitational Wave Echo (GWE) at a frequency of about has been recently claimed at significance level in the GW170817 event. GWEs can be used as a too…
Spin Torque Oscillator and Magnetization Switching in double barrier Rashba Zeeman Magnetic Tunnel Junction
Saumen Acharjee, Arindam Boruah, Reeta Devi +1
In this letter, we have studied the spin torque based magnetization oscillations and switching in presence of Rashba - Zeeman (RZ), Ruderman - Kittel - Kasuya - Yoside (RKKY) and D…
BERT-Deep CNN: State-of-the-Art for Sentiment Analysis of COVID-19 Tweets
Javad Hassannataj Joloudari, Sadiq Hussain, Mohammad Ali Nematollahi +5
The free flow of information has been accelerated by the rapid development of social media technology. There has been a significant social and psychological impact on the populatio…
Galactic rotation curves of spiral galaxies and dark matter in f(R,T) gravity theory
Gayatri Mohan, Umananda Dev Goswami
Galactic rotation curve is a powerful indicator of the state of the gravitational field within a galaxy. The flatness of these curves indicates the presence of dark matter in galax…
Deflection angle, quasinormal modes and optical properties of a de Sitter black hole in gravity
Nashiba Parbin, Dhruba Jyoti Gogoi, Jyatsnasree Bora +1
The current study aims to examine the impact of the boundary term on the bending angle of light for a static spherically symmetric black hole in the modified gravity described by t…
Tideless Traversable Wormholes surrounded by cloud of strings in gravity
Dhruba Jyoti Gogoi, Umananda Dev Goswami
We study the tideless traversable wormholes in the gravity metric formalism. First we consider three shape functions of wormholes and study their viabilities and structures.…