Understanding IR singularities in the Loop-Tree Duality

arXiv:2609.00869v1 Announce Type: cross Abstract: One of the main advantages of the Loop-Tree Duality representation of scattering amplitudes is that it makes the origin of infrared and threshold singularities particularly transparent. This talk reviews recent progress in describing how singularities emerge and cancel at the level of scattering and vacuum amplitudes, discusses a novel strategy to efficiently construct finite integrals, and presents a complementary perspective based on encoding the underlying causal and singular structure in terms of qubits and quantum circuits.

Authors:Germán Rodrigo, Leandro Cieri, Prasanna K. Dhani, Roger J. Hernández-Pinto, Jorge J. Mart\'ınez de Lejarza, Salvador A. Ochoa-Oregon, Konstantinos Pyretzidis, Selomit Ram\'ırez-Uribe, David F. Renter\'ıa-Estrada, Andrés E. Renter\'ıa-Olivo, José R\'ıos-Sánchez, German F.R. Sborlini, Surabhi Tiwari, Juan P. Uribe-Ram\'ırez

Abstract:One of the main advantages of the Loop-Tree Duality representation of scattering amplitudes is that it makes the origin of infrared and threshold singularities particularly transparent. This talk reviews recent progress in describing how singularities emerge and cancel at the level of scattering and vacuum amplitudes, discusses a novel strategy to efficiently construct finite integrals, and presents a complementary perspective based on encoding the underlying causal and singular structure in terms of qubits and quantum circuits.

arXiv:2609.00869 [hep-ph]

(or arXiv:2609.00869v1 [hep-ph] for this version)

https://doi.org/10.48550/arXiv.2609.00869 arXiv-issued DOI via DataCite (pending registration)

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Understanding IR singularities in the Loop-Tree Duality

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