101 citations · 628 across the 18 of their papers we have counts for
15 papers · 1 filter
A non-singular bouncing cosmology in gravity
J. K. Singh, Shaily, Akanksha Singh +2
We investigate a bounce realization in the framework of higher order curvature in modified theory of gravity. We perform a detailed analysis of the cosmological paramete…
The cosmological model in gravity with Scalar Field conformity
J. K. Singh, Akanksha Singh, Shaily +1
The homogeneous and isotropic cosmological model in generalized theories associated with scalar field is discussed, which is motivated by the theory of grav…
A constrained cosmological model in gravity
J. K. Singh, Shaily, Ratbay Myrzakulov +1
In this article, we study the expanding nature of universe in the contest of gravity theory, here represents the Ricci scalar and is the matter Lagrangian…
The constrained cosmological model in Lyra geometry
J. K. Singh, Shaily, Shri Ram +2
In this article, we study a flat homogeneous FLRW model in Lyra geometry which is described by a time-dependent displacement vector. We consider an appropriate parametrization of t…
Dynamical analysis of a hyperbolic solution in Scale-covariant theory
Shaily, J. K. Singh, Joao R. L. Santos +1
We study an isotropic flat FLRW-model in Scale-covariant theory of gravity \cite{Canuto:1977zz} which is explained in terms of ordinary and covariant differentiation…
Bouncing cosmology in modified gravity with higher-order curvature terms
J. K. Singh, Harshna Balhara, Kazuharu Bamba +1
A bouncing scenario of a flat homogeneous and isotropic universe is explored by using the reconstruction technique for the power-law parametrization of the Hubble parameter in a mo…
Curvature dominance DE-model in -gravity
G. K. Goswami, Rita Rani, Harshna Balhara +1
We have probed a cosmological model in -gravity, which is a cubic equation in scalar curvature . The terms arise due to nonlinear function are treated as energy due…
Thermodynamic stability and P-V criticality of nonsingular-AdS black holes endowed with clouds of strings
Ashima Sood, Arun Kumar, J. K. Singh +1
We investigate the extended phase space thermodynamics of nonsingular-AdS black holes minimally coupled to clouds of strings in which we consider the cosmological constant () as…
Dynamics of a parametrized dark energy model in gravity
J. K. Singh, Akanksha Singh, G. K. Goswami +1
We investigate a flat FLRW-model in -gravity, which includes the quadratic variation in scalar curvature and the linear term of the trace of the stress-energy tensor $T…
Bouncing universe in Gauss-Bonnet gravity
J. K. Singh, Shaily, Kazuharu Bamba
In this paper, a bouncing cosmological scenario is studied in the background of a flat FLRW model with a specific parametrized hyperbolic form of scale factor in terms of $ t…
Cosmological aspects of a hyperbolic solution in gravity
Ritika Nagpal, J. K. Singh, A. Beesham +1
This article deals with a cosmological scenario in gravity for a flat FLRW model of the universe. We consider the function as which starts with…
Bouncing cosmology in gravity
J. K. Singh, Kazuharu Bamba, Ritika Nagpal +1
A cosmological model with a specific form of the Hubble parameter is constructed in a flat homogeneous, and isotropic background in the framework of gravity, where is…
Statefinder diagnostic for modified Chaplygin gas cosmology in f(R,T) gravity with particle creation
J. K. Singh, Ritika Nagpal, S. K. J. Pacif
In this paper, we have studied flat Friedmann--Lema\^ıtre--Robertson--Walker (FLRW) model with modified Chaplygin gas (MCG) having equation of state , w…
The Bianchi type-V Dark Energy Cosmology in Self Interacting Brans Dicke Theory of Gravity
J. K. Singh, Sarita Rani
This paper deals with a spatially homogeneous and totally anisotropic Bianchi type-V cosmological model within the framework of self interacting Brans Dicke theory of gravity in th…
Constraints on cosmological parameters in power-law cosmology
Sarita Rani, A. Altaibayeva, M. Shahalam +2
In this paper, we examine observational constraints on the power law cosmology; essentially dependent on two parameters (Hubble constant) and (deceleration parameter). We…