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Emergent gravity from Michel flow with position dependent adiabatic index
Apashanka Das, Souvik Ghose, Tapas K. Das
Spherically symmetric, general relativistic Bondi accretion is known as the Michel flow. The stationary integral transonic solutions for the Michel flow has been constructed for mu…
Emergent gravity from nonlinear perturbation of spherical accretion with variable adiabatic index
Rohit Ghosh, Souvik Ghose, Biplab Raychaudhuri +2
The main aim of the present work is to demonstrate that the analogue gravity phenomena are not an artifact of linear perturbation, rather gravity-like effects emerge through the no…
On the spin dependence of the emergent gravity phenomena as observed in axially symmetric black hole accretion with spatially varying adiabatic index
Kalyanbrata Pal, Souvik Ghose, Ripon Sk +2
The present work addresses an axisymmetrically accreting black hole system from three perspectives: the astrophysical, the dynamical systems, and the emergent gravity standpoint. S…