English

Vertex operators in solvable lattice models

High Energy Physics - Theory 2009-10-22 v1 Exactly Solvable and Integrable Systems solv-int

Abstract

We formulate the basic properties of q-vertex operators in the context of the Andrews-Baxter-Forrester (ABF) series, as an example of face-interaction models, derive the q-difference equations satisfied by their correlation functions, and establish their connection with representation theory. We also discuss the q-difference equations of the Kashiwara-Miwa (KM) series, as an example of edge-interaction models. Next, the Ising model--the simplest special case of both ABF and KM series--is studied in more detail using the Jordan-Wigner fermions. In particular, all matrix elements of vertex operators are calculated.

Keywords

Cite

@article{arxiv.hep-th/9305100,
  title  = {Vertex operators in solvable lattice models},
  author = {Omar Foda and Michio Jimbo and Tetsuji Miwa and Kei Miki and Atsushi Nakayashiki},
  journal= {arXiv preprint arXiv:hep-th/9305100},
  year   = {2009}
}

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41 pages