Some boundary effects in quantum field theory

V. B. Bezerra and M. A. Rego-Monteiro
Phys. Rev. D 70, 065018 – Published 21 September 2004

Abstract

We have constructed a quantum field theory in a finite box, with periodic boundary conditions, using the hypothesis that particles living in a finite box are created and/or annihilated by the creation and/or annihilation operators, respectively, of a quantum harmonic oscillator on a circle. An expression for the effective coupling constant is obtained, showing explicitly its dependence on the dimension of the box.

  • Received 19 April 2004

DOI:https://doi.org/10.1103/PhysRevD.70.065018

©2004 American Physical Society

Authors & Affiliations

V. B. Bezerra*

  • Departamento de Física, Universidade Federal da Paraiba, Caixa Postal 5008, 58051-970 João Pessoa, PB, Brazil

M. A. Rego-Monteiro

  • Centro Brasileiro de Pesquisas Físicas, Rua Xavier Sigaud 150, 22290-180 Rio de Janeiro, RJ, Brazil

  • *Electronic address: valdir@fisica.ufpb.br
  • Electronic address: regomont@cbpf.br

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Issue

Vol. 70, Iss. 6 — 15 September 2004

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