Topology and saddle points in field theories

Research output: Contribution to journalArticle

47 Citations (Scopus)


We point out that in a large class of models there are non-contractible loops in configuration space. This signals the possible existence of static, finite energy saddle points. We show that these solutions play a role in the tunnelling process.

Original languageEnglish
Pages (from-to)397-401
Number of pages5
JournalPhysics Letters B
Issue number5-6
Publication statusPublished - Apr 26 1984

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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