φ2σ phase transition and interplay of Schwinger-Dyson equation solutions

R. T. Cahill and R. T. Janus
Phys. Rev. D 22, 1979 – Published 15 October 1980
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Abstract

Using the Gaussian approximation in a Euclidean functional integration formulation of φ2σ scalar field theory we show simply how a phase transition occurs related to the occurrence of a composite tachyon. The effect is seen to involve a curious interplay between different solutions of the Schwinger-Dyson equation.

  • Received 7 November 1979

DOI:https://doi.org/10.1103/PhysRevD.22.1979

©1980 American Physical Society

Authors & Affiliations

R. T. Cahill and R. T. Janus

  • Institute for Atomic Studies, School of Physical Sciences, the Flinders University of South Australia, Bedford Park, South Australia 5042

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Issue

Vol. 22, Iss. 8 — 15 October 1980

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