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hep-th2025
Magnetic corrections to the classical soft photon theorems at all orders
Sarthak Duary, Pabitra Ray
When a set of charged or dyonic objects scatter and subsequently disperse, the process generically emits electromagnetic radiation. The classical soft photon theorem constrains the…
hep-th2025
From closed to open strings: the tensionless route in Kalb-Ramond background and noncommutativity
Sarthak Duary, Sourav Maji
We study tensionless bosonic strings propagating in the presence of a constant Kalb--Ramond background and show how closed strings undergo a transition into open strings. Working i…
hep-th2025★ 3 cited
Waveform, memory and classical soft scalar theorems
Sarthak Duary, Pabitra Ray
We examine a scattering process in which a set of particles come together, interact through a long-range massless scalar force like dilaton mediated and then disperse. Using worldl…