5 papers
Conformal Symmetry and Non-Singular Scalar field Collapse
Mohamed Aarif A, Soumya Chakrabarti
We investigate the gravitational collapse of a massive scalar field in a conformally flat, spherically symmetric spacetime within general relativity. The collapsing matter distribu…
Traversable Wormholes with Non-Exotic Matter: The Role of Higher Curvature Corrections
M Daniel Ranjan, Soumya Chakrabarti, Sanjit Das
In this paper, we explore wormhole solutions in a higher-derivative theory of gravity where the action depends not only on the Ricci scalar , but also on its d'Alembertian, $\Bo…
Geometric Selection Rules for Singularity Formation in Modified Gravity
Soumya Chakrabarti
We argue that the polynomial degeneracies of curvature invariants can act as geometric selection rules for spacetime singularities in modified theories of gravity. The degeneracies…
Phase Transition and Critical Behavior in Gravitational Collapse
Soumya Chakrabarti
We present a thermodynamic analysis of spherically symmetric gravitational collapse. Using the Hayward-Kodama formalism, we treat a collapsing sphere as a thermodynamic system and…
On the Polynomial Degeneracy of Ricci Invariants and Spacetime Singularity
Soumya Chakrabarti
We explore the connection of a general relativistic matter-energy momentum tensor with the polynomial degeneracies of higher order curvature invariants defined in Riemannian geomet…