7 citations · 40 across the 12 of their papers we have counts for
12 papers
Role of viscous fluid in FLRW model with observational constraints
Anirudh Pradhan, G. K. Goswami
In this study, we investigate the role of bulk viscosity in the evolution of a spatially flat Friedmann-Lemaitre-Robertson-Walker (FLRW) universe dominated by dust. We parameterize…
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…
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…
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…
Exploring the dynamics of coincident f(Q) gravity in the presence of DBI-essence scalar field
Ratul Mandal, Ujjal Debnath, Anirudh Pradhan
In theoretical cosmology, symmetric teleparallel gravity or gravity based on nonmetricity tensor Q has become an interesting alternative to General relativity in recent year…
Constraining a Gravity Cosmological Model with Observational Data
G. K. Goswami, Anirudh Pradhan, Syamala Krishnannair
We investigate a spatially flat FLRW cosmological model in the framework of modified gravity described by the function \( f(R, L_m) = αR + L_m^β+ γ\), where \( L_m \) is the matter…
Observational constraints in late time for an axially symmetric transitioning model with bulk viscous fluid
G. K. Goswami, Anirudh Pradhan, Vipin Chandra Dubey
In this paper, we explore an axially symmetric Bianchi type-I model of the universe with bulk viscous fluid as a source of gravitational field under the framework of Einstein's fie…
An Accelerating Flat FLRW Model with Observation Constraints and Dynamic
G. K. Goswami, Anirudh Pradhan
In this paper, we explore power law solution of FLRW universe model that is associated with a variable cosmological term as a linear function of $\frac{\ddot{a}}{a}, (\frac{…
On the Field Theoretical Description of an Alternative Model to Generalized Chaplygin Gas and its Thermodynamic Behaviour
Tamal Mukhopadhyay, Banadipa Chakraborty, Ujjal Debnath +1
This paper investigates a newly proposed fluid description of dark energy within the framework of the late-time accelerated expansion of the universe. Our primary objective is to e…
Accretion Phenomena of Different Kinds of Chaplygin Gas Models onto Kehagias-Sfetsos Black Hole in Horava-Lifshitz Gravity Scenario
Puja Mukherjee, Ujjal Debnath, Anirudh Pradhan
In the Horava Lifshitz gravity scenario, we have described the mass accretion process of a 4 dimensional Kehagias Sfetsos black hole caused by some candidates of dark energy in det…