The Evaluation of the Collision Matrix

G. C. Wick
Phys. Rev. 80, 268 – Published 15 October 1950
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Abstract

Dyson's systematic approach to the reduction of the Heisenberg S-Matrix into a sum of "graph" terms can be simplified. A notation is introduced and an algebraic theorem is proved, which allow one to handle the reduction problem quite easily and in the same manner for any type of field.

  • Received 17 April 1950

DOI:https://doi.org/10.1103/PhysRev.80.268

©1950 American Physical Society

Authors & Affiliations

G. C. Wick

  • University of California, Berkeley, California

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Issue

Vol. 80, Iss. 2 — October 1950

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