Integrable spin-1/2 XXZ Heisenberg chain with competing interactions

authored by

Holger Frahm

Abstract

The critical behaviour of an integrable model of a spin- 1/2 chain with nearest-neighbour XXZ interaction and a competing three-spin interaction involving nearest and next-nearest neighbours is studied. The phase diagram at zero temperature is obtained. Methods from conformal field theory are used to compute the asymptotics of the spin-spin correlation functions.

Organisation(s)

Institute of Theoretical Physics

Type

Article

Journal

Journal of Physics A: Mathematical and General

Volume

25

Pages

1417-1427

No. of pages

11

ISSN

0305-4470

Publication date

21.03.1992

Publication status

Published

Peer reviewed

Yes

ASJC Scopus subject areas

Statistical and Nonlinear Physics, Mathematical Physics, Physics and Astronomy(all)

Electronic version(s)

https://doi.org/10.1088/0305-4470/25/6/005 (Access: Unknown)