activity
20192026
most citedTime-space noncommutativity and Casimir effect

10 citations · 38 across the 18 of their papers we have counts for

collaborators

18 papers

hep-th2026

Vacuum fluctuations in Rainbow space-time: Study of Casimir effect

Bhagya. R, Suman Kumar Panja

We investigate the Casimir effect in rainbow space-time, focusing on leading-order corrections to the Casimir energy and force. Starting with the scalar field Lagrangian in rainbow…

gr-qc2026

How a minimal length scale modifies thermodynamics of RN AdS Black Holes?

Suman Kumar Panja, Yu Shi

We investigate the thermodynamic modifications of the Reissner-Nordstroem anti-de Sitter (RN AdS) black hole induced by a minimal length scale,which naturally emerges in -deform…

hep-th2025

Thermal Casimir effect in -Minkowski space-time

Suman Kumar Panja, Vishnu Rajagopal

We study the finite temperature Casimir effect for parallel plates in the -Minkowski space-time. Using the Matsubara formalism and imposing the Dirichlet boundary conditions on…

cond-mat.mtrl-sci2025

High-temperature plasma in Casimir physics

Suman Kumar Panja, Mathias Boström

We present a short review of an unusual but important application for a high-temperature charged plasma. The unorthodox proposition was made by Ninham concerning a contribution fro…

hep-th2024★ 2 cited

Centripetal force on Casimir energies in -deformed rotating frame

E. Harikumar, K. V. Shajesh, Suman Kumar Panja

We investigate the implications of a fundamental length scale on the centripetal force on a rotating Casimir apparatus in -space-time. We model the Casimir apparatus rotating wi…

gr-qc2024★ 1 cited

Non-commutative correction of ideal gas thermodynamics

Diganta Parai, Suman Kumar Panja

In this study, we investigate the thermodynamics of a relativistic ideal within the context of -deformed space-time and Rainbow gravity background. To achieve this, we construct…

gr-qc2024

Geodesic motion of particles in the vicinity of the -deformed Schwarzchild Black Hole

Dilip Kumar, Suman Kumar Panja, Abhisek Saha +1

In this study, we investigate the geodesic motion of a test particle around the Schwarzchild black hole in a -deformed space-time. We compute a modified Lagrangian to obtain the…

hep-th2024★ 1 cited

Modified 3D Massive Abelian 2-From Theory with a Single Pseudo-Scalar Field as a Phantom Field: BRST Approach

S. K. Panja, E. Harikumar, R. P. Malik

We obtain the off-shell nilpotent Becchi-Rouet-Stora-Tyutin (BRST) and anti-BRST symmetry transformations (corresponding to the infinitesimal classical gauge symmetry transformatio…

gr-qc2024★ 2 cited

Maximal acceleration in Rainbow gravity

Bhagya. R, Harsha Sreekumar, Suman Kumar Panja

In this paper, we derive maximal acceleration of a massive particle in Rainbow gravity. Using eight-dimensional phase-space metric compatible with Rainbow gravity, we obtain the ma…

hep-th2024★ 3 cited

How does Casimir energy fall in -deformed space-time?

E. Harikumar, K. V. Shajesh, Suman Kumar Panja

We investigate the response of Casimir energies to fluctuations in a scalar field in a weak gravitational field in the -deformed space-time. We model the Casimir plates in a gra…

gr-qc2024★ 2 cited

Influence of the cosmological constant on -deformed Neutron Star

Bhagya. R, Diganta Parai, Harsha Sreekumar +1

We study a model of the neutron star in -deformed space-time in the presence of the cosmological constant (). The Einstein tensor and the energy-momentum tensor are generaliz…

gr-qc2023★ 3 cited

Neutron Star in Quantized-space-time

Bhagya. R, Diganta Parai, E. Harikumar +1

We construct and analyze a model of the neutron star in the k deformed space-time. This is done by first deriving the k deformed generalization of the Einstein tensor, starting fro…

gr-qc2023★ 4 cited

Newtonian cosmology and Evolution of kappa-deformed universe

E. Harikumar, Harsha Sreekumar, Suman Kumar Panja

Considering space--time to be non-commutative, we study the evolution of the universe employing the approach of Newtonian cosmology. Generalizing the conservation of energy and the…

hep-th2022★ 5 cited

Maximal acceleration in a Lorentz invariant non-commutative space-time

E. Harikumar, Suman Kumar Panja, Vishnu Rajagopal

In this paper, we derive the non-commutative corrections to the maximal acceleration in the Doplicher-Fredenhagen-Roberts (DFR) space-time and show that the effect of the non-commu…

hep-th2021★ 3 cited

Casimir effect in DFR space-time

E. Harikumar, Suman Kumar Panja

Non-Commutative space-time introduces a fundamental length scale suggested by approaches to quantum gravity. Here we report the analysis of the Casimir effect for parallel plates s…

math-ph2021★ 1 cited

Regularization of central forces with damping in two and three-dimensions

E. Harikumar, Suman Kumar Panja, Partha Guha

Regularization of damped motion under central forces in two and three-dimensions are investigated and equivalent, undamped systems are obtained. The dynamics of a particle moving i…

math-ph2021★ 1 cited

Application of regularization maps to quantum mechanical systems in 2 and 3 dimensions

E. Harikumar, Suman Kumar Panja, Partha Guha

We extend the Levi-Civita (L-C) and Kustaanheimo-Stiefel (K-S) regularization methods that maps the classical system where a particle moves under the combined influence of $\frac{1…

hep-th2019★ 10 cited

Time-space noncommutativity and Casimir effect

E. Harikumar, Suman Kumar Panja, Vishnu Rajagopal

We show that the Casimir force and energy are modified in the kappa-deformed space-time. This is analysed by solving the Green's function corresponding to kappa-deformed scalar fie…