58 citations · 457 across the 34 of their papers we have counts for
36 papers
Hu-Sawicki Gravity in a Non-Flat Universe: Constraints from DESI-DR2, BBN, and Type Ia Supernovae
Saurabh Verma, Manish Yadav, Archana Dixit +2
Late-time cosmic acceleration is conventionally ascribed to a cosmological constant, though CDM continues to face several theoretical difficulties that keep alternative gravity…
Testing a Sign-Switch Cosmological Model with Curvature through Latest Planck 2018, DESI DR2 and PantheonPlus\&SH0ES Observational Data
Archana Dixit, Manish Yadav, Anirudh Pradhan +1
We investigate the spatial geometry of the Universe within the framework of a sign-switch dark energy scenario by extending the recently proposed CDM model to include a…
Testing Exponential Gravity with CMB, DESI-DR2, and Supernova Data
Saurabh Verma, Archana Dixit, Anirudh Pradhan +1
One of the most popular competitors to the CDM paradigm as an explanation for the late-time acceleration of the universe is the modification of general relativity (GR), with models…
Alleviating the Hubble Tension with Logarithmic Dark Energy: Constraints on the CDM Model
Saurabh Verma, Archana Dixit, Anirudh Pradhan +1
Observational constraints are considered on a CDM model of the dark energy equation of state, , using…
Observational Constraints and Geometric Diagnostics of Barboza-Alcaniz and Logarithmic Dark Energy Parametrizations
Archana Dixit, Saurabh Verma, Anirudh Pradhan +1
This study investigates and compares two prominent two-dimensional dark energy (DE) parameterizations: Barboza-Alcaniz (BA) and Logarithmic forms by comparing them with a comprehen…
Dynamical Dark Energy Signatures from a New Transition Parametrization in Flat FLRW Cosmology
Manish Yadav, Archana Dixit, Anirudh Pradhan +1
We investigate a cosmic scenario using a new transition parameterization of the diagnostic, , in the spatially flat Friedmann Lemaître Robertso…
Dynamical Oscillations in Dark Energy: Joint Constraints on the CDM Model from DESI, OHD, and Supernova Samples
Manish Yadav, Archana Dixit, M. S. Barak +1
In this study, we investigate the oscillatory dark energy model based on the DESI BAO data together with OHD, Pantheon Plus, and SH0ES measurements. We exami…
Constraints on Spatial Curvature and Dark Energy Dynamics in the CDM Model from DESI DR1 and DR2
Manish Yadav, Archana Dixit, M. S. Barak +1
In this study, we investigate the CDM dynamical dark energy model with spatial curvature utilizing the recently released DESI Collaboration data (DR1 and DR2) in conjunction wit…
Beyond CDM: Exploring a Dynamical Cosmological Constant Framework Consistent with Late-Time Observations
Archana Dixit, Manish Yadav, Anirudh Pradhan +1
In this work, we investigate a cosmological scenario with a time-dependent cosmological constant (t) within the spatially flat Friedmann-Lemaître-Robertson-Walker (FLRW) framewo…
Investigating the CDM Model with Latest DESI BAO Observations
Manisg Yadav, Archana Dixit, M. S. Barak +1
In this study, we explore the impact of various combinations of CMB-independent datasets, including the recent DESI BAO measurements, on the equation of state (EoS) of dark energy…
Empirical Validation: Investigating the CDM Model with new DESI BAO Observations
Manish Yadav, Archana Dixit, Anirudh Pradhan +1
The CDM model has long served as the cornerstone of modern cosmology, offering an elegant and successful framework for interpreting a wide range of cosmological observations. Ho…
Cosmological Implications of a New Creation Field in Hoyle-Narlikar Gravity with Bulk Viscous Fluid
Manish Yadav, Archana Dixit, Anirudh Pradhan +1
In this study, we present a comprehensive investigation of the Narlikar gravity model with bulk viscous fluid by the new foam of creation field ,…
Testing Gravity with Cosmological Observations: Confronting the Hubble Tension and Implications for the Late-Time Universe
Saurabh Verma, Archana Dixit, Anirudh Pradhan +1
In recent years, modifications to General Relativity (GR) have been explored to address cosmological observations, particularly in the context of late-time cosmic acceleration. Amo…
An oscillating Rastall universe crossing the phantom divide line
Nasr Ahmed, Anirudh Pradhan, Archana Dixit
A cyclic flat universe with quintom behaviour and future big rip has been presented in the framework of Rastall gravity, which is an extension of the standard CDM model. The Hub…
Properties of interacting quark star in light of Rastall gravity
Ayan Banerjee, Anirudh Pradhan, Izzet Sakalli +1
This study explores the properties of quark stars (QS) formulated with an interacting quark matter equation of state (EoS) within the framework of Rastall gravity, a modified theor…
A flat FLRW dark energy model in f(Q,C)-gravity theory with observational constraints
Anirudh Pradhan, Archana Dixit, M. Zeyauddin +1
In the recently suggested modified non-metricity gravity theory with boundary terms in a flat FLRWspacetime universe, dark energy scenarios of cosmological models are examined in t…
Holographic inflation in non-static plane symmetric space-time
S. H. Shekh, M. Muzammil, R. V. Mapari +2
The current analysis uses the non-static plane symmetric space-time to dynamically examine the holographic dark energy model as a candidates of IR cut-offs (specifically Hubble's a…
Transit String Dark Energy Models in Gravity
Dinesh Chandra Maurya, Archana Dixit, Anirudh Pradhan
In this paper, we have investigated an anisotropic cosmological model in gravity with string fluid in LRS Bianchi type-I universe. We have considered the arbitrary function…
Observational constraints for an axially symmetric transitioning model with bulk viscosity parameterization
Archana Dixit, Anirudh Pradhan, Vinod Kumar Bhardwaj +1
In this paper, we have analyzed the significance of bulk viscosity in an axially symmetric Bianchi type-I model to study the accelerated expansion of the universe. We have consider…
Quintessence Behaviour of an Anisotropic Bulk Viscous Cosmological Model in Modified -Gravity
Anirudh Pradhan, Archana Dixit, Dinesh Chandra Maurya
In this article, we have discussed the results of our investigation. We consider an anisotropic viscous cosmological model of (LRS) Bianchi type I spacetime universe filled with a…
An Axially Symmetric Transitioning models with Observational Constraints
Vinod Kumar Bhardwaj, Archana Dixit, Rita Rani +2
In this study, we have demonstrated the expansion history of an axially symmetric Bianchi type-I model of the universe. Our model as of now presents an accelerating universe, which…
A new class of holographic dark energy models in LRS Bianchi Type-I
Anirudh Pradhan, Vinod Kumar Bhardwaj, Archana Dixit +1
In this paper, we examine the (LRS) Bianchi-type-I cosmological model with holographic dark energy. The exact solutions to the corresponding field equations are obtained by using g…
Bianchi type-V Transitioning model in Brans-Dicke theory with Observational Constraint
Vinod Kumar Bhardwaj, Archana Dixit, Anirudh Pradhan
In this paper, we have examined the viability of the Bianchi type-V universe in Brans-Dicke (BD) theory of gravitation. We have discussed the interacting and non-interacting scenar…
Renyi Holographic Dark Energy models in Teleparallel gravity
Vinod Kumar Bhardwaj, Archana Dixit, Anirudh Pradhan +1
In this paper, we have investigated the physical behavior of cosmological models in the framework of modified Teleparallel gravity. This model is established using a Renyi holograp…