Operator expansion in quantum chromodynamics beyond perturbation theory

V. A. Novikov, M. A. Shifman, A. I. Vainshtein, V. I. Zakharov

Research output: Contribution to journalArticlepeer-review

66 Scopus citations

Abstract

We discuss the status of the operator expansion at short distances within the framework of non-perturbative QCD. The question of instanton effects is investigated in various aspects. Consistency between instanton calculations and the general operator expansion requires a very special relation between the expansion coefficients. We check, by considering particular examples, that this relation does exist.

Original languageEnglish (US)
Pages (from-to)378-396
Number of pages19
JournalNuclear Physics B
Volume174
Issue number2-3
DOIs
StatePublished - Jan 1 1980

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