Anirudh Pradhan
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View article: $f(R, \Sigma, T)$ Gravity and Cosmic Acceleration: A Comprehensive Analysis of Physical and kinematical Parameters
$f(R, \Sigma, T)$ Gravity and Cosmic Acceleration: A Comprehensive Analysis of Physical and kinematical Parameters Open
View article: Beyond <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si171.svg" display="inline" id="d1e1293"> <mml:mi>Λ</mml:mi> </mml:math> CDM: Exploring a dynamical cosmological constant framework consistent with late-time observations
Beyond CDM: Exploring a dynamical cosmological constant framework consistent with late-time observations Open
View article: Constraining <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si4.svg"> <mml:mrow> <mml:mi>f</mml:mi> <mml:mo>(</mml:mo> <mml:mi>R</mml:mi> <mml:mo>,</mml:mo> <mml:msub> <mml:mi mathvariant="script">L</mml:mi> <mml:mi>m</mml:mi> </mml:msub> <mml:mo>)</mml:mo> </mml:mrow> </mml:math> gravity with SN Ia and BAO observational data in Bianchi I space time
Constraining gravity with SN Ia and BAO observational data in Bianchi I space time Open
View article: Investigating the wCDM model with latest DESI BAO observations
Investigating the wCDM model with latest DESI BAO observations Open
View article: Empirical validation: Investigating the Λ CDM model with new DESI BAO observations
Empirical validation: Investigating the Λ CDM model with new DESI BAO observations Open
View article: Phantom Dark Energy Behavior in Weyl Type f(Q,T) Gravity Models with Observational Constraints
Phantom Dark Energy Behavior in Weyl Type f(Q,T) Gravity Models with Observational Constraints Open
This study explores the behavior of phantom dark energy within the framework of Weyl-type f(Q,T) gravity, considering a spatially flat FLRW universe under observational constraints. The field equations are analytically solved for a dust-li…
View article: Anisotropic dark energy stars in the Starobinsky model
Anisotropic dark energy stars in the Starobinsky model Open
The equation of state for the Chaplygin gas has been proposed as a dynamical dark-energy candidate, offering a unified scenario for describing dark matter and dark energy within the field of cosmology. Now, the fluid-based model has been u…
View article: Testing f(T) gravity with cosmological observations: Confronting the Hubble tension and implications for the late-time universe
Testing f(T) gravity with cosmological observations: Confronting the Hubble tension and implications for the late-time universe Open
View article: Dark Energy Behavior from Static Equation of State in Non-Minimally Coupled Gravity with Scalar Deformation
Dark Energy Behavior from Static Equation of State in Non-Minimally Coupled Gravity with Scalar Deformation Open
In this study, we explore the cosmological implications of a modified gravity theory characterized by the function \( f(R, Σ, T) \), where \( R \) is the Ricci scalar, \( Σ\) represents a geometric deformation term, and \( T \) denotes the…
View article: Phantom Dark Energy Behavior in Weyl Type f (Q, T) Gravity Models with Observational Constraints
Phantom Dark Energy Behavior in Weyl Type f (Q, T) Gravity Models with Observational Constraints Open
This study explores the behavior of phantom dark energy within the framework of Weyl-type $f(Q,T)$ gravity, considering a spatially flat FLRW universe under observational constraints. The field equations are analytically solved for a dust-…
View article: Cosmological Analysis of $f(R, Σ, T)$ Gravity with EoS Parameterization
Cosmological Analysis of $f(R, Σ, T)$ Gravity with EoS Parameterization Open
In this paper, we present a comprehensive cosmological analysis within the framework of $f(R, Σ, T)$ gravity, a modified theory that incorporates nonlinear matter-geometry coupling via the inclusion of both the trace of the energy-momentum…
View article: Cosmological Analysis of $f(R,Σ, T)$ Gravity via $O_m(z)$ Reconstruction: Implications into Dark Energy Dynamics
Cosmological Analysis of $f(R,Σ, T)$ Gravity via $O_m(z)$ Reconstruction: Implications into Dark Energy Dynamics Open
This study investigates the cosmological implications of $f(R,Σ,T)$ gravity by reconstructing the Hubble parameter from a logarithmic parameterization of the $O_m(z)$ diagnostic. Our approach offers a model-independent way to probe the nat…
View article: Accretion phenomena of different kinds of Chaplygin gas models onto Kehagias–Sfetsos black hole in Hořava–Lifshitz gravity scenario
Accretion phenomena of different kinds of Chaplygin gas models onto Kehagias–Sfetsos black hole in Hořava–Lifshitz gravity scenario Open
This work of ours is dedicated to observing the changes in the mass of a four-dimensional Kehagias–Sfetsos black hole with the evolution of the universe considering the effects of some dark energy sources, like Chaplygin gas models in the …
View article: Parameter constraints and cosmographic analysis of Barrow agegraphic and new Barrow agegraphic dark energy models
Parameter constraints and cosmographic analysis of Barrow agegraphic and new Barrow agegraphic dark energy models Open
This research focuses on examining a non-flat Friedmann–Robertson–Walker (FRW) cosmological model of the universe incorporating both dark matter and dark energy. Two intriguing dark energy models, Barrow agegraphic dark energy (BADE) and n…
View article: Observational constraints in late time for an axially symmetric transitioning model with bulk viscous fluid
Observational constraints in late time for an axially symmetric transitioning model with bulk viscous fluid Open
View article: Effect of pressure anisotropy on quark star structure in the Starobinsky model
Effect of pressure anisotropy on quark star structure in the Starobinsky model Open
This paper discusses the structure and stability of quark stars (QSs) made of interacting quark matter. The discussion accounts for color superconductivity and perturbative QCD corrections. By combining this EoS with the Tolman-Oppenheimer…
View article: An accelerating flat FLRW model with observation constraints and dynamic Λ
An accelerating flat FLRW model with observation constraints and dynamic Λ Open
In this paper, we explore power law solution of FLRW universe model that is associated with a variable cosmological term [Formula: see text] as a linear function of [Formula: see text] and [Formula: see text]. The model parameters were est…
View article: A novel cosmic framework of interdependent dark matter and Holographic Dark Energy within the Bianchi type-V universe
A novel cosmic framework of interdependent dark matter and Holographic Dark Energy within the Bianchi type-V universe Open
We study the anisotropic and homogeneous Bianchi type-V Universe with holographic dark energy (HDE) and interacting dark matter (DM). The solution for the field equations have been obtained for a certain form of the deceleration parameter.…
View article: An Oscillating Rastall Universe Crossing the Phantom Divide Line
An Oscillating Rastall Universe Crossing the Phantom Divide Line Open
A cyclic flat universe with Quintom behavior and a future Big Rip as presented in the framework of Rastall gravity, which is an extension of the standard $\Lambda$CDM model. The Hubble parameter oscillates periodically between positive and…
View article: On new regular quadratic Gaussian black hole: Photon sphere, shadow and gravitational lensing
On new regular quadratic Gaussian black hole: Photon sphere, shadow and gravitational lensing Open
Gaussian black holes constitute an important class of regular black holes, characterized by their spherically symmetric and static nature. These solutions emerge from the framework of Einstein’s equations, particularly when incorporating t…
View article: Cosmological implications of f(R,Σ,T) gravity: A unified approach using OHD and SN ia data
Cosmological implications of f(R,Σ,T) gravity: A unified approach using OHD and SN ia data Open
This paper investigates the cosmological implications of the modified gravity framework known as f(R,Σ,T) gravity, focusing on its potential to unify and extend current cosmological models. The theory, introduced by Bakry and Ibraheem in 2…
View article: Dynamical system analysis for extended f(P) gravity coupled with scalar field
Dynamical system analysis for extended f(P) gravity coupled with scalar field Open
In the present article, we have explored the physical characteristics of extended f ( P ) gravity through the dynamical system analysis. We choose the function f ( P ) in the form of a polynomial of second order, i.e. $$f(P)=\alpha P +\bet…
View article: Dark Energy and Cosmic Evolution: A Study in f (R, T) Gravity
Dark Energy and Cosmic Evolution: A Study in f (R, T) Gravity Open
In the context of f(R, T) gravity theory for the flat Friedmann Lemaitre Robertson Walker (FLRW) model, the accelerating expansion of the universe is investigated using a specific form of the emergent Hubble parameter. Datasets from H(z), …
View article: An Oscillating Rastall Universe Crossing the Phantom Divide Line
An Oscillating Rastall Universe Crossing the Phantom Divide Line Open
View article: Observational Constraints and Geometric Diagnostics of Barboza-Alcaniz and Logarithmic Dark Energy Models
Observational Constraints and Geometric Diagnostics of Barboza-Alcaniz and Logarithmic Dark Energy Models Open
View article: Cosmological Implications of a New Creation Field in Hoyle–Narlikar Gravity with Bulk Viscous Fluid
Cosmological Implications of a New Creation Field in Hoyle–Narlikar Gravity with Bulk Viscous Fluid Open
View article: Dynamical Dark Energy Signatures from a New Transition Om(z) Parametrization in Flat FLRW Cosmology
Dynamical Dark Energy Signatures from a New Transition Om(z) Parametrization in Flat FLRW Cosmology Open
View article: Cosmological Implications of the FSLL Dark Energy Parametrization with Observational Constraints
Cosmological Implications of the FSLL Dark Energy Parametrization with Observational Constraints Open
View article: Robustness analysis to mitigate setup uncertainties in head–neck rapid arc treatment: A different approach to image-guided radiotherapy decision-making
Robustness analysis to mitigate setup uncertainties in head–neck rapid arc treatment: A different approach to image-guided radiotherapy decision-making Open
Aim: The occurrence of setup errors in external beam radiation is an inevitable aspect. As a result of technological progress in image verification, it became feasible to decrease its occurrence; however, complete eradication remained unat…
View article: Post-Traumatic Anosmia: Current Clinical Insights and Management
Post-Traumatic Anosmia: Current Clinical Insights and Management Open