output
20222026
most citedRaychaudhuri equation in -essence geometry: conditional singular and non-singular cosmological models

19 citations

9 papers

physics.ed-ph2026

A Simple Method of Demonstration of Characteristics of Rainbows Using a Glass of Water and a Few Laser Sources

Soumen Sarkar, Sanjoy Kumar Pal, Pradipta Panchadhyayee +2

A rainbow is a captivating natural phenomenon resulting from the refraction, dispersion, and reflection of sunlight within water droplets. Traditional classroom demonstrations ofte…

physics.ed-ph2026★ 1 cited

Demonstration of magnetic dipole-dipole interaction by using smartphone pressure sensor

Sanjoy Kumar Pal, Pradipta Panchadhyayee

In this paper, we present a hands-on activity designed to verify the dependence of the magnetic force between two identical N35 neodymium disc magnets on their separation distance.…

physics.ed-ph2026★ 5 cited

Study of the effect of electromagnetic damping force on a magnet oscillating near a non-ferromagnetic conducting plate

Sanjoy Kumar Pal, Soumen Sarkar, Pradipta Panchadhyayee +1

We have designed an experiment that involves studying the effects of a conducting plate on the motion of an oscillating disc magnet. We have employed the video analysis method by T…

astro-ph.CO2025

Observational Insights on DBI K-essence Models Using Machine Learning and Bayesian Analysis

Samit Ganguly, Arijit Panda, Eduardo Guendelman +3

We perform a late-time cosmological study; we compare the performance of two Dirac-Born-Infeld (DBI)-type k-essence scalar field extensions of the CDM model to the standard fram…

gr-qc2024★ 4 cited

Thermodynamics of a Non-canonical gravity

Arijit Panda, Goutam Manna, Saibal Ray +2

This work comprises a study of the thermodynamic behavior of modified gravity, which had been developed based on a non-canonical theory known as K-essence theo…

gr-qc2024★ 5 cited

NEC violation in gravity in the context of a non-canonical theory via modified Raychaudhuri equation

Arijit Panda, Debashis Gangopadhyay, Goutam Manna

In this work, we develop the Raychaudhuri equation in gravity in the setting of a non-canonical theory, namely K-essence theory. We solve the modified Raychaud…