Causality, unitarity thresholds, anomalous thresholds and infrared singularities from the loop-tree duality at higher orders

DOI10.1007/JHEP12(2019)163zbMath1431.81156arXiv1904.08389OpenAlexW2997630940WikidataQ126457112 ScholiaQ126457112MaRDI QIDQ2303221

J. Jesús Aguilera-Verdugo, Germán Rodrigo, Szymon Tracz, Selomit Ramírez-Uribe, Judith Plenter, William J. Torres Bobadilla, Félix Driencourt-Mangin, Germán F. R. Sborlini

Publication date: 2 March 2020

Published in: Journal of High Energy Physics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1904.08389

zbMATH Keywords

scattering amplitudesperturbative QCDduality in gauge field theories

Mathematics Subject Classification ID

Strong interaction, including quantum chromodynamics (81V05) Perturbative methods of renormalization applied to problems in quantum field theory (81T15) Anomalies in quantum field theory (81T50) (2)-body potential quantum scattering theory (81U05)

Related Items (8)

Triangle diagram, distance geometry and symmetries of Feynman integrals ⋮ Collider physics at the precision frontier ⋮ Causal representation of multi-loop Feynman integrands within the loop-tree duality ⋮ Dual subtractions ⋮ Numerical loop-tree duality: contour deformation and subtraction ⋮ Numerical integration of loop integrals through local cancellation of threshold singularities ⋮ Quantum algorithm for Feynman loop integrals ⋮ The infrared structure of perturbative gauge theories

Cites Work

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• Nonlocal vertices and analyticity: Landau equations and general Cutkosky rule
• Memory and the infrared
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• A tree-loop duality relation at two loops and beyond
• New Representations of the Perturbative<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>S</mml:mi></mml:mrow></mml:math>Matrix
• On analytic properties of vertex parts in quantum field theory
• Unitarity Condition Below Physical Thresholds in the Normal and Anomalous Cases
• Anomalous Thresholds
• Singularities and Discontinuities of Feynman Amplitudes

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