activity
20072026
collaborators

5 papers

astro-ph.HE2026

Discovery of 30 Repeating Fast Radio Burst Sources and Uniform Population Statistics of 80 Repeating Sources from CHIME/FRB

Amanda M. Cook, Kaitlyn Shin, Ziggy Pleunis +44

We present 30 newly discovered repeating fast radio burst (FRB) sources from the second catalog of bursts detected by the FRB backend on the Canadian Hydrogen Intensity Mapping Exp…

astro-ph.HE2025

Kerr Black Hole Shadows in Dispersive Plasma: Frequency-Dependent Geodesics and Shadow Distortions

Sai Karan Mukthapuram, Sandeep Kumar Kataria

The black hole shadow, a direct probe of the event horizon's gravitational influence, has been observationally confirmed by the Event Horizon Telescope (EHT). While theoretical mod…

physics.optics2024

Eight-shot measurement of spatially non-stationary complex coherence function

Pranay Mohta, Abhinandan Bhattacharjee, Anand K. Jha

Spatial coherence plays an important role in several real-world applications ranging from imaging to communication. As a result, its accurate characterization and measurement are e…

cs.SE2023

Typed Component Algebras for Simulated Annealing and Markov-Chain Monte Carlo

Rohit Goswami, Ruhila Goswami, Amrita Goswami +3

Simulated annealing (SA) and fixed-temperature Markov-chain Monte Carlo (MCMC) run the same Metropolis-Hastings kernel over a tempered objective, but the variants appear as separat…

cond-mat.mes-hall2007

Paramagnetic to Superparamagnetic Transition in Ni(OH)_2 Nanoparticles

S. D. Tiwari, K. P. Rajeev

We report the temperature and field dependence of dc magnetization on sol-gel prepared nanoparticles of Ni(OH)_2. At higher temperature the system is found to behave as a paramagne…