3 papers
hep-th2026
Complex BPS Black Holes in AdS
Finn Larsen, Kartik Sharma
The correct gravitational representation of the supersymmetric index is a smooth complex solution, rather than the na\"ıve Euclidean continuation of the Lorentizan BPS black hole.…
gr-qc2026
Quasinormal modes of the generalized JMN naked singularity using exact WKB analysis
Aryansh Saxena, Suresh C. Jaryal, K. K. Sharma
In this paper, we study the quasinormal modes of the generalized Joshi-Malafarina-Narayan (JMN) naked singularity spacetime using the exact Wentzel-Kramers-Brillouin (WKB) method.…
gr-qc2025
ESIGMAHM: An Eccentric, Spinning inspiral-merger-ringdown waveform model with Higher Modes for the detection and characterization of binary black holes
Kaushik Paul, Akash Maurya, Quentin Henry +5
We present a time-domain inspiral-merger-ringdowm (IMR) waveform model ESIGMAHM constructed within a framework we named ESIGMA for coalescing binaries of spinning black holes on mo…