✦ LIBER ✦

Instant and Front Form realizations for N relativistic particles

✍ Scribed by J Gomis; M Novell; J.M Pons

Publisher: Elsevier Science
Year: 1984
Tongue: English
Weight: 603 KB
Volume: 153
Category: Article
ISSN: 0003-4916
DOI: 10.1016/0003-4916(84)90024-1

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✦ Synopsis

Instant and Front Form realizations of the Poincart group are presented for two and N relativistic point particles. A physical interpretation in terms of world lines is given due to some explicit prescriptions for defining position coordinates in physical phase space.

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Starting from the tensor product of N irreducible positive energy representations of the Poincare group describing N free relativistic particles with arbitrary spins and positive masses, we construct an interacting positive energy representation by modifying the total 4-momentum operator. We first m