Effective action for composite operators

John M. Cornwall, R. Jackiw, and E. Tomboulis
Phys. Rev. D 10, 2428 – Published 15 October 1974
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Abstract

An effective action and potential for composite operators is obtained. The formalism is used to analyze, by variational techniques, dynamical symmetry breaking and coherent solutions to field theory. A Rayleigh-Ritz procedure is introduced which replaces arbitrary variations with parametric variations. Previously unsolved nonlinear equations become, in the Rayleigh-Ritz approximation, solvable algebraic equations.

  • Received 24 June 1974

DOI:https://doi.org/10.1103/PhysRevD.10.2428

©1974 American Physical Society

Authors & Affiliations

John M. Cornwall*

  • Department of Physics, University of California, Los Angeles, California 90024

R. Jackiw and E. Tomboulis

  • Laboratory for Nuclear Science and Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139

  • *Alfred P. Sloan Research Fellow.

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Vol. 10, Iss. 8 — 15 October 1974

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