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From Classical to Quantum Fields$
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Laurent Baulieu, John Iliopoulos, and Roland Sénéor

Print publication date: 2017

Print ISBN-13: 9780198788393

Published to Oxford Scholarship Online: May 2017

DOI: 10.1093/oso/9780198788393.001.0001

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Analyticity Properties of Feynman Diagrams

Analyticity Properties of Feynman Diagrams

Chapter:
(p.521) 20 Analyticity Properties of Feynman Diagrams
Source:
From Classical to Quantum Fields
Author(s):

Laurent Baulieu

John Iliopoulos

Roland Sénéor

Publisher:
Oxford University Press
DOI:10.1093/oso/9780198788393.003.0020

General discussion of the analyticity properties of Feynman diagrams. Cutting rules and the Cutkosky unitarity relations. Unstable particles and second sheet singularities. Dispersion relations and the Mandelstam representation. The analytic S-matrix theory and the bootstrap hypothesis.

Keywords:   analyticity, singularities, dispersion relations, unstable particles, Mandelstam representation, bootstrap

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