Epicyclic oscillations, particle collisions, emission energy and thermal fluctuation around a black hole with de-sitter core

This study tested the geometric structure and dynamic behavior of particles around a non-rotating black hole (BH) featuring a de Sitter core. We derive the space-time metric and analyze key features such as the lapse function, effective potential, innermost stable circular orbits (ISCOs), and partic...

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Principais autores:	Amna Saleem, Allah Ditta, Abdelmalek Bouzenada, Badr S. Alkahtani
Format:	Artigo
Jezik:	Inglês
Izdano:	Elsevier 2025-08-01
Serija:	Nuclear Physics B
Teme:	Black hole dynamics De-Sitter core Particle motion Effective potential Epicyclic oscillations Periastron precession
Online dostop:	http://www.sciencedirect.com/science/article/pii/S055032132500135X
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