3 papers
gr-qc2021
Ecosystem for Closed Timelike Curves: An Energy Conditions Perspective
Sashideep Gutti, Shailesh Kulkarni, Vaishak Prasad +1
In this article, we explore the relationship between the existence of closed timelike curves and energy conditions that occur in the Kerr-Newman spacetime. To quantify the dependen…
gr-qc2020
News from horizons in binary black hole mergers
Vaishak Prasad, Anshu Gupta, Sukanta Bose +2
In a binary black hole merger, it is known that the inspiral portion of the waveform corresponds to two distinct horizons orbiting each other, and the merger and ringdown signals c…
gr-qc2018
Causality Aspects of Modified Kerr-Newman spacetimes
Vaishak Prasad, Rahul Srinivasan, Sashideep Gutti
In this paper, we address the problem of causality violation in the solutions of Einstein equations and seek possible causality restoration mechanisms in modifed theories of gravit…