The spectrum of boundary states in sine-Gordon model with integrable boundary conditions

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Abstract

The bound state spectrum and the associated reflection factors are determined for the sine-Gordon model with arbitrary integrable boundary condition by closing the bootstrap. Comparing the symmetries of the bound state spectrum with that of the Lagrangian it is shown how one can "derive" the relationship between the UV and IR parameters conjectured earlier.

Original languageEnglish
Pages (from-to)548-564
Number of pages17
JournalNuclear Physics B
Volume622
Issue number3
DOIs
Publication statusPublished - Feb 11 2002

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Keywords

  • Bootstrap
  • Bound states
  • Boundary conditions
  • Integrable quantum field theory
  • Sine-Gordon model

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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