Soliton S matrices for the critical Ascript N sign-1(1) chain

Anastasia Doikou, Rafael I. Nepomechie

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

We compute by Bethe Ansatz both bulk and boundary hole scattering matrices for the critical Ascript N sign-1(1) quantum spin chain. The bulk S matrix coincides with the soliton S matrix for the Ascript N sign-1(1) Toda field theory with imaginary coupling. We verify our result for the boundary S matrix using a generalization of the Ghoshal-Zamolodchikov boundary crossing relation.

Original languageEnglish (US)
Pages (from-to)121-131
Number of pages11
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume462
Issue number1-2
DOIs
StatePublished - 1999

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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