दीनदयाल उपाध्याय गोरखपुर विश्‍वविद्यालय

Deen Dayal Upadhyaya Gorakhpur University

(Accredited A++ by NAAC)
100 Year Logo

Dr. Rajesh Kumar                

Ph.D., Assistant Professor

Department of Mathematics & Statistics

General Relativity and Gravitation

S.No. Employer Designation From To
1 DDU Gorakhpur University Assistant Professor 2018 till date
2 DDU Gorakhpur University NBHM-DAE PDF 2016 2018
S.No. Title Journal Volume Year Contribution
1 Black hole formation in gravitational collapse and their astrophysical implications Physica Scripta (IOP Science) 99 2024 Corresponding Author
2 An Eternal gravitational collapse in f(R) theory of gravity and their astrophysical implications Chinese Journal of Physics(Elsevier) 89 2024 Corresponding Author
3 Physical viability of traversable Finslerian wormholes with traceless fluid under conformal symmetry https://arxiv.org/abs/2403.03931 2403 2024 Co-author
4 Traversable wormholes in Finsler geometry under conformal motion https://arxiv.org/abs/2403.0393 2401 2024 Co-author
5 Significance of a quadratically varying deceleration parameter in scalar field-dominated model and cosmic acceleration Modern Physics Letters A 39 2024 Corresponding Author
6 Re-Examining Berman’s Parametrization of the Hubble Parameter in the Context of Late-Time Acceleration Astrophysics(Springer) 67 2024 Corresponding Author
7 Anisotropic model of stellar objects in modified f(R) gravity (accepted-2024) Chinese Journal of Physics(Elsevier) 92 2024 First Author
8 Anisotropic Durgapal-Fuloria compact stars in f(R) gravity Nuclear Physics B(Elsevier) 1007 2024 First Author
9 A new perspective on gravitational collapse: a comprehensive analysis using Theta parametrization The European Physical Journal C(Springer) 84 2024 First Author
10 Cosmological implications of an interacting model of dark matter & dark energy Physics of the Dark Universe (Elsevier) 40 2023 Corresponding Author
11 Astrophysical implications of an eternal homogeneous gravitational collapse model with a parametrization of expansion scalar The European Physical Journal C (springer) 83 2023 Corresponding Author
12 A new class of spherically symmetric gravitational collapse Theoretical and Mathematical Physics (Springer) 211 2022 First Author
13 Shear-free gravitational collapse of dust cloud and dark energy International Journal of Geometric Methods in Modern Phys (world scientific press) 19 2022 Corresponding Author
14 A dynamical model of radiating stars and their thermal behavior The European Physical Journal C (Springer) 82 2022 Corresponding Author
15 Spherically symmetric collapsing star with the background of dark energy International Journal of Geometric Methods in Modern Phys (world scientific press) 19 2022 Corresponding Author
16 Dynamics of an Expansion-Free Spherically Symmetric Radiating Star Gravitation and Cosmology(Springer) 27 2021 First Author
17 Spherically symmetric self gravitating radiating star under expansion-free motion International Journal of Geometric Methods in Modern Phys (world scientific press) 17 2020 First Author
S.No. Name of Award Agency Year
1 IUCAA Associate IUCAA, Pune 2023
2 Best Teacher Award DDU Gorakhpur University, Gorakhpur 2022
3 Post Doctoral Fellowship NBHM-DAE 2016
4 Gold Medal DDU Gorakhpur University, Gorakhpur 2010
5 Junior Research Fellowship CSIR 2010
S.No. Title Sponsoring Agency Year of Sanction Budget
(Lakh)
Status
1 Major Research Project UP CST 2021 10.06 Completed
2 UGC-BSR Major Research Project UGC 2019 10.00 Completed
3 Centre of Excellence UP Government 2019 7.00 Completed
S.No. Name Contact Details
Year of Enrollment
Type of Scholar Topic Research Status
1 Shubham Sharma 8543049060
ss735050@gmail.com
Enrollment Year: 2023
Research Scholar Some Astrophysical Consequences of Gravitational Collapse and Spacetime singularity: A theoretical Exploration Ongoing
2 Grishma Verma 7068340219
gris.grcosmo28@gmail.com
Enrollment Year: 2019
Research Scholar Dynamics of Gravitational Collapsing Star and the Dark Energy Completed
3 Keshav Ram Mishra 7007053340
krmgkp1995@gmail.com
Enrollment Year: 2019
Research Scholar Mathematical Insights into Dynamics of the Universe and Observational Constraints in Some Reconstructed Cosmological Models Completed