Jeans instability analysis of viscoelastic astrofluids in Eddington-Inspired-Born–Infeld (EiBI) gravity
Q Yang, L Tan, H Chen, S Liu - New Astronomy, 2023 - Elsevier
The Jeans instabilities in viscoelastic astrofluids are investigated in the context of Eddington-
Inspired-Born–Infeld (EiBI) gravity based on hydrodynamics theory. The results show that …
Inspired-Born–Infeld (EiBI) gravity based on hydrodynamics theory. The results show that …
A theoretical study of heavy nucleus-acoustic waves in white dwarf core environments
S Dasgupta, PK Karmakar - Pramana, 2023 - Springer
A quantum hydrodynamic model formalism is semi-analytically offered to explore the
propagatory and dispersive nature of heavy nucleus-acoustic waves (NAWs) in the …
propagatory and dispersive nature of heavy nucleus-acoustic waves (NAWs) in the …
Nonlinear Jeans-Buneman instability in gravitating complex plasmas
T Bezbaruah, PK Karmakar - Waves in Random and Complex …, 2023 - Taylor & Francis
The nonlinear evolutionary dynamics of the hybrid Jeans-Buneman instability (JBI) in charge-
fluctuating viscous dust molecular clouds (DMCs) of infinite extension is semi-analytically …
fluctuating viscous dust molecular clouds (DMCs) of infinite extension is semi-analytically …
Modal stability of low-frequency nucleus-acoustic waves in completely degenerate white dwarf cores and their nearly degenerate surroundings
S Dasgupta, A Atteya, PK Karmakar - Chinese Journal of Physics, 2023 - Elsevier
We analyse the characteristic nucleus-acoustic wave (NAW) modes excitable in the
completely degenerate (CD) core and in its nearly degenerate (ND) ambience of the ONe …
completely degenerate (CD) core and in its nearly degenerate (ND) ambience of the ONe …
Jeans gravitational instability in a collisional nonextensive dusty plasma with polarization force
AR Niknam, MS Sayyed Hasani, E Rastbood… - Indian Journal of …, 2023 - Springer
In this paper, using the hydrodynamic model, the Jeans gravitational instability in a dusty
plasma with q-nonextensive velocity distributions is investigated. The change in the Jeans …
plasma with q-nonextensive velocity distributions is investigated. The change in the Jeans …
Pulsational mode stability in complex EiBI-gravitating polarized astroclouds with (r, q)-distributed electrons
D Ray, PK Karmakar - arXiv preprint arXiv:2406.18692, 2024 - arxiv.org
The pulsational mode of gravitational collapse (PMGC) originating from the combined
gravito-electrostatic interaction in complex dust molecular clouds (DMCs) is a canonical …
gravito-electrostatic interaction in complex dust molecular clouds (DMCs) is a canonical …
Adiabatic collapse of non-homogeneous self-gravitating gas cloud
FEM Silveira - Europhysics Letters, 2023 - iopscience.iop.org
In this letter, we find the critical mass of a self-gravitating, spherically symmetric gas cloud,
above which the fluid, within the bubble, collapses. Our analysis departs from a non …
above which the fluid, within the bubble, collapses. Our analysis departs from a non …
Stability of nucleus-acoustic waves in completely degenerate white dwarf cores and their nearly degenerate ambience
S Dasgupta, A Atteya, PK Karmakar - arXiv preprint arXiv:2207.06637, 2022 - arxiv.org
We analyze the propagatory nucleus-acoustic wave (NAW) modes excitable in the
completely degenerate (CD) core and in its nearly degenerate (ND) ambience of the ONe …
completely degenerate (CD) core and in its nearly degenerate (ND) ambience of the ONe …
Analytical study of acoustic waves and instabilities in compact astroobjects
S Dasgupta - 2024 - agnee.tezu.ernet.in
This Chapter presents a theoretic investigation to analyze the low-frequency nucleus-
acoustic waves excitable in the completely degenerate cores of ONe (oxygenneon) and CO …
acoustic waves excitable in the completely degenerate cores of ONe (oxygenneon) and CO …
[PDF][PDF] A kinetic theory of the pulsational mode of gravitational collapse in star-forming molecular clouds
D Challam, PK Karmakar - 2021 - researchgate.net
A kinetic theory formulation of the pulsational mode of gravitational collapse (PMGC) in a
complex unmagnetized self-gravitating partially ionized dense molecular cloud (DMC) is …
complex unmagnetized self-gravitating partially ionized dense molecular cloud (DMC) is …