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Title Extended electron and nonlocal electromagnetic interaction: The perturbation theory
Creator/Author Namsrai, Kh. [Universitaet Heidelberg (Germany)] ; Njamtseren, N. [Universitaet Heidelberg (Germany)]|[Joint Institute for nuclear Research, Dubna (Russian Federation)]
Publication Date1996 Apr 01
OSTI IdentifierOSTI ID: 471812
Other Number(s)IJTPBM; ISSN 0020-7748
Resource TypeJournal Article
Resource RelationInternational Journal of Theoretical Physics ; VOL. 35 ; ISSUE: 4 ; PBD: Apr 1996
Subject66 PHYSICS ; EXTENDED PARTICLE MODEL; GAUGE INVARIANCE; ELECTRONS; SIZE; PHOTON-ELECTRON INTERACTIONS; NONLOCAL POTENTIAL; ELECTROMAGNETIC FIELDS; PERTURBATION THEORY; PARTICLE RADII
Description/Abstract The nonlocal interaction between electrons and electromagnetic fields is considered. It is shown that different contraction forms of interacting fields are equivalent to different nonlocal theories where nonlocality is connected to either the photon field or the electron field, or to both these fields simultaneously. The nonlocal theory where the electron carries nonlocality is studied in detail. The gauge invariance of this model is achieved by using the d-operation applying the perturbation theory. Primitive Feynman diagrams of the nonlocal theory are investigated and a restriction on the{open_quotes}size{close_quotes}{ell} of the electron is obtained. From low-energy experimental data from tests of local quantum electrodynamics it follows that{ell}{<=} 10{sup -15} cm.
Country of PublicationUnited States
LanguageEnglish
Formatpp. 807-817 ; PL:
System Entry Date2001 May 05

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