Dark Energy Contaminated Black Hole Solution : A Drive Through the Thermodynamic Properties

, Gary Testing; Dutta, Sukanya; Rahaman, Farook; Biswas, Ritabrata; Pal, Subhajit; Biswas, Promila

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Dark Energy Contaminated Black Hole Solution : A Drive Through the Thermodynamic Properties

Shared by Gary on Nov 2, 2025 • 05:27 AM UTC

Authors:

Sukanya Dutta

Farook Rahaman

Ritabrata Biswas

Abstract

We investigate the evolution of black hole mass within a cosmological background modeled by a Modified Chaplygin Gas (MCG) under various dark energy equation of state parametrizations, including Linear, Logarithmic, CPL, JBP, FSLL-II, and Barboza–Alcaniz (BA) models. The logarithmic mass ratio log10...

Subject

Accretion

Dark energy

Black hole

Highlights

-Investigates black hole mass evolution in a cosmological background modeled by the Modified Chaplygin Gas (MCG) under multiple dark energy parametrizations (Linear, Logarithmic, CPL, JBP, FSLL-II, BA).

-Shows that the logarithmic mass ratio log10[M(z)/M0] is highly sensitive to the redshift evolution of ω(z), with model-dependent behaviors: quasi-static accretion for Linear/Logarithmic/CPL, rapid late-time variation for JBP, and non-monotonic trends for FSLL-II and BA due to repulsive dark energy effects.

-Highlights how peaks, minima, and amplitude offsets in the mass ratio reflect the interplay between horizon thermodynamics, evolving MCG pressure, and cosmic expansion, indicating that black hole mass growth is directly influenced by both the time evolution of dark energy and the...

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