Correlation amplitude for the XXZ spin chain in the disordered regime
Abstract
We propose an analytical expression for the amplitude defining the long-distance asymptotic of the correlation function <σzkσzk+n>.
- Publication:
-
Physical Review B
- Pub Date:
- May 1999
- DOI:
- 10.1103/PhysRevB.59.11163
- arXiv:
- arXiv:cond-mat/9809254
- Bibcode:
- 1999PhRvB..5911163L
- Keywords:
-
- 75.10.Jm;
- Quantized spin models;
- Condensed Matter - Statistical Mechanics;
- High Energy Physics - Theory;
- Nonlinear Sciences - Exactly Solvable and Integrable Systems
- E-Print:
- 5 pages, harvmac.tex, one epsf figure