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Operator products at almost light like distances

Authors
Journal
Annals of Physics
0003-4916
Publisher
Elsevier
Publication Date
Volume
66
Issue
1
Identifiers
DOI: 10.1016/0003-4916(71)90195-3

Abstract

Abstract The recently proposed expansion of products of local operators when their space-time distance approaches the light cone is motivated and discussed. Attempts to prove the expansion from Wilson's short distance expansion are analyzed. Applications to processes involving currents in certain asymptotic domains are reviewed and difficulties are pointed out.

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