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60 papers · 1 filter
Analytical Solutions to the Wheeler-DeWitt Equation in Rosen-Lagrangian Cosmology via the Eisenhart Lift
Narakorn Kaewkhao, Suparat Marit, Phongpichit Channuie
The Rosen Lagrangian framework promotes the cosmological constant to a scale-factor-dependent quantity, , thereby providing a dynamical dark energy scenario for $λ\n…
Constraining -Exponential Inflation with the latest ACT observations
Jureeporn Yuennan, Farruh Atamurotov, Salvatore Capozziello +1
Recent observations from the Atacama Cosmology Telescope (ACT), especially when combined with DESI baryon acoustic oscillation data, indicate a scalar spectral index higher t…
Simpson-Visser-AdS Black Holes: Thermodynamics and Binary Merger
Neeraj Kumar, Ankur Srivastav, Phongpichit Channuie
In this article, we performed Simpson-Visser (SV)-regularization scheme to Anti-de Sitter (AdS) black holes and then studied thermal properties of the resulting spacetime geometry.…
Rényi Law Constraints on Gauß-Bonnet Black Hole Merger
Neeraj Kumar, Ankur Srivastav, Phongpichit Channuie
In this article, we explore the Rényi law constraints on black hole merger in Gauß-Bonnet (GB) gravity. Specifically, we consider the case of static solutions in five-dimensional (…
Black Holes in Lorentz-Violating Gravity: Thermodynamics, Geometry, and Particle Dynamics
Ankit Anand, Aditya Singh, Anshul Mishra +3
We investigate the thermodynamics, topology, and geometry of black holes in Lorentz-violating gravity. Modifications in the theory by perturbative parameter lead to coupled changes…
White dwarfs in regularized 4D Einstein-Gauss-Bonnet gravity
Juan M. Z. Pretel, Takol Tangphati, İzzet Sakallı +1
White dwarfs (WDs), as the remnants of low to intermediate-mass stars, provide a unique opportunity to explore the interplay between quantum mechanical degeneracy pressure and grav…