2 papers
gr-qc2025
Birkhoff's Theorem and Uniqueness: A Peek Beyond General Relativity
Rajes Ghosh, Akash K Mishra, Avijit Chowdhury
In General Relativity, Birkhoff's theorem asserts that any spherically symmetric vacuum solution must be static and asymptotically flat. In this paper, we study the validity of Bir…
gr-qc2024
Probing Spacetime Symmetries Using Gravitational Wave Ringdown
Rajes Ghosh, Akash K Mishra, Sudipta Sarkar
The uniqueness and rigidity theorems assert that the asymptotically flat, vacuum, stationary rotating black hole solution in general relativity must be the Kerr solution, exhibitin…