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astro-ph.HE2025

Multifaceted Accretion: The Interplay of Turbulence, Resistivity, Thermal Transport, and Dust around Black Holes

Asish Jyoti Boruah, Liza Devi, Biplob Sarkar

Accretion near black holes (BHs) is multidimensional, with turbulence, resistivity, thermal transport, and dust dynamics all playing essential roles. In cold accretion discs (ADs)…

astro-ph.HE2025

An Overview of the Effect of Self-Gravity on the Structure of Accretion Discs

Darashan Saikia, Liza Devi, Biplob Sarkar +1

In astrophysical systems like X-ray binaries (XRBs), active galactic nuclei (AGN), and young stellar objects (YSOs), we often observe a very fundamental structure called accretion…

astro-ph.HE2025

An Overview of Rossby Wave Instability in Accretion Discs surrounding Black Holes

Bibhuti Bhusan Dutta, Liza Devi, Biplob Sarkar +1

The Rossby Wave Instability (RWI) has become an important concept in understanding the hydrodynamics (HDs) of accretion discs (ADs), especially in systems around black holes (BHs)…

astro-ph.HE2024

Relativistic Accretors and High Energy X-Ray view

Asish Jyoti Boruah, Liza Devi, Biplob Sarkar

Relativistic accretors are cosmic objects that pull matter from their surroundings at speeds almost equal to the light's speed. Because of the tremendous gravitational force from t…

astro-ph.HE2024

An Overview of Numerical Simulations in Accretion Physics

Biplob Sarkar, Liza Devi, Asish Jyoti Boruah

Accretion physics studies the process of gravitational capture of ambient matter by massive stars. The background processes are very challenging to observe and measure due to the e…

astro-ph.HE2024

Accretion Disc Outbursts and Stability Analysis

Liza Devi, Asish Jyoti Boruah, Biplob Sarkar

Accretion disc outbursts are re-occurring events observed in various astrophysical systems, including X-ray binaries and cataclysmic variables. These outbursts are characterized by…