Accretion onto a quintessence contaminated rotating black hole: violating the lower limit for eta over s

Abstract Viscous accretion flow around a rotating supermassive black hole sitting in a quintessence tub is studied in this article. To introduce such a dark energy contaminated black hole’s gravitational force, a new pseudo-Newtonian potential is used. This pseudo-Newtonian force can be calculated i...

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Bibliographic Details
Main Authors: Ritabrata Biswas, Promila Biswas, Parthajit Roy
Format: Article
Language:English
Published: SpringerOpen 2021-11-01
Series:European Physical Journal C: Particles and Fields
Online Access:https://doi.org/10.1140/epjc/s10052-021-09755-9