2003/12/19 by Tapas K. Das, Tapas Kumar Das
Physics and Astronomy · #Astrophysical Phenomena and Observations #Experimental and Theoretical Physics Studies #Quantum Electrodynamics and Casimir Effect #astro-ph #gr-qc
paper · pdf · doi:10.1111/j.1365-2966.2004.07528.x
published as Mon.Not.Roy.Astron.Soc. 349 (2004) 375 · Accepted for publication in MNRAS. 11 single column pages. Two black and white and one colour encapsulated postscript figures
arxiv created 2003/12/19 · openalex publication_date 2004/03/09 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
Investigation of the behaviour of accreting matter close to the black hole event horizon is of fundamental importance in relativistic and high-energy astrophysics because it provides the key features of the diagnostic spectra of stellar-mass and supermassive black holes. In this paper, we examine the terminal behaviour of general relativistic matter in multi-transonic, advective black hole accretion discs. We compute, for the first time we believe, the values of various dynamical and thermodynamic multi-transonic flow variables extremely close(≤ 0.01rg) to the event horizon, and study the dependence of these variables on fundamental accretion parameters. Our calculation is useful for a better understanding of Hawking radiation from acoustic black holes.