Time-ordered products and Schwinger functions

https://repo-archives.ihes.fr/FONDS_IHES/I_Prepublications/EPSTEIN/Depuis_1964/P_78_227/P_78_227.pdf

Epstein, Henri

EPSTEIN

1978

Abstract : It is shown that every system of time-ordered products for a local field theory determines a related system of Schwinger functions possessing an extended form of Osterwalder-Schrader positivity and that the converse is true provided certain growth conditions are satisfied. This is applied to the ? 3 4 theory and it is shown that the time-ordered functions andS-matrix elements admit the standard perturbation series as asymptotic expansions.

RESEAUX CEREBRAUX

P/78/227

©IHES

Citer ce document

EPSTEIN et ECKMANN, “Time-ordered products and Schwinger functions,” Archives de l'IHES, consulté le 18 juillet 2024, https://omeka.ihes.fr/document/P_78_227.pdf.