Field theories with « Superconductor » solutions View Full Text


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Article Info

DATE

1961-01

AUTHORS

J. Goldstone

ABSTRACT

The conditions for the existence of non-perturbative type « superconductor » solutions of field theories are examined. A non-covariant canonical transformation method is used to find such solutions for a theory of a fermion interacting with a pseudoscalar boson. A covariant renormalisable method using Feynman integrals is then given. A « superconductor » solution is found whenever in the normal perturbative-type solution the boson mass squared is negative and the coupling constants satisfy certain inequalities. The symmetry properties of such solutions are examined with the aid of a simple model of self-interacting boson fields. The solutions have lower symmetry than the Lagrangian, and contain mass zero bosons. More... »

PAGES

154-164

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/bf02812722

DOI

http://dx.doi.org/10.1007/bf02812722

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1031496167


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