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hep-th2026
All Order Gravitational Wave Tails for Subleading Post-Newtonian Expansion
Debanjan Karan, Babli Khatun
The low-frequency gravitational waveform emitted in a classical scattering process contains an infinite tower of late- and early-time tail terms of the form ,…
hep-th2026
All-Orders Classical Soft Graviton Theorems in the Newtonian Limit and Beyond
Debanjan Karan, Babli Khatun, Raghu Mahajan +2
The classical soft graviton theorem aims to determine certain terms in the early- and late-time tails of the gravitational waveform produced in a scattering process, using only the…
hep-th2026
Reconstructing cosmological correlators via dispersion: from cutting to dressing rules
Shibam Das, Debanjan Karan, Babli Khatun +1
In this work, we investigate how cosmological correlators can be reconstructed by applying the momentum-space dispersion formula to their discontinuities, treating them as function…