Confining solitons in the Higgs phase of CPN −1 model: self-consistent exact solutions in large-N limit

Muneto Nitta, Ryosuke Yoshii

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)


The quantum CPN −1 model is in the confining (or unbroken) phase with a full mass gap in an infinite space, while it is in the Higgs (broken or deconfinement) phase accompanied with Nambu-Goldstone modes in a finite space such as a ring or finite interval smaller than a certain critical size. We find a new self-consistent exact solution describing a soliton in the Higgs phase of the CPN −1 model in the large-N limit on a ring. We call it a confining soliton. We show that all eigenmodes have real and positive energy and thus it is stable.

Original languageEnglish
Article number7
JournalJournal of High Energy Physics
Issue number8
Publication statusPublished - 2018 Aug 1


  • 1/N Expansion
  • Field Theories in Lower Dimensions
  • Sigma Models
  • Solitons Monopoles and Instantons

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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