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gr-qc2025
Gravitational waves from parabolic encounters: A study of linear and nonlinear memory
Samik Dutta, Ankur Chhabra, Aritra Banerjee +2
The memory effect is known to introduce a permanent displacement in the gravitational wave (GW) detectors after the passage of a GW signal. While the adher…
hep-th2025
Strings near BTZ black holes: A Carrollian Chronicle
Aritra Banerjee, Arkachur Bhattacharya, Sharang Rajesh Iyer +2
The BTZ black hole provides a tractable (2+1)-dimensional example for investigating string dynamics in curved spacetime. However, a systematic and robust analysis of the solution s…
hep-th2025
Non-relativistic Strings: Classical solutions and exactly solvable models
Aritra Banerjee, Adrita Chakraborty, Nibedita Padhi
We discuss classical closed string solutions in non-relativistic two-sphere target spaces. These classes of solutions closely relate to the GKP-type, spinning and pulsating strings…