Boundary Lax pairs for the An(1) Toda field theories

Jean Avan, Anastasia Doikou

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)

Abstract

Based on the recent formulation of a general scheme to construct boundary Lax pairs,we develop this systematic construction for the $A_n^{(1)}$ affine Toda field theories (ATFT). We work out explicitly the first two models of the hierarchy, i.e. the sine-Gordon ($A_1^{(1)}$) and the $A_2^{(1)}$ models. The $A_2^{(1)}$ Toda theory is the first non-trivial example of the hierarchy that exhibits two distinct types of boundary conditions. We provide here novel expressions of boundary Lax pairs associated to both types of boundary conditions.
Original languageEnglish
Pages (from-to)481–505
Number of pages25
JournalNuclear Physics B
Volume821
Issue number3
DOIs
Publication statusPublished - 11 Nov 2009

Keywords

  • hep-th
  • math-ph
  • math.MP
  • nlin.SI

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