The fermion boundary condition and the θ-angle in QED2

P. Hraskó, J. Balog

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

The order parameter of the Schwinger model is calculated in the euclidean functional integral approach. It is shown that the symmetry breaking angle θ is intimately connected with the boundary condition imposed on the fermions. The transition to the euclidean description involves both imaginary time and imaginary θ.

Original languageEnglish
Pages (from-to)118-126
Number of pages9
JournalNuclear Physics, Section B
Volume245
Issue numberC
DOIs
Publication statusPublished - 1984

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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