| Numéro |
J. Phys. Colloques
Volume 49, Numéro C8, Décembre 1988
Proceedings of the International Conference on Magnetism
|
|
|---|---|---|
| Page(s) | C8-1393 - C8-1394 | |
| DOI | https://doi.org/10.1051/jphyscol:19888639 | |
Proceedings of the International Conference on Magnetism
J. Phys. Colloques 49 (1988) C8-1393-C8-1394
DOI: 10.1051/jphyscol:19888639
1 Department of Physics, Tohoku University, Sendai 980, Japan
2 Department of Physics, Osaka University, Toyonaka 560, Japan
J. Phys. Colloques 49 (1988) C8-1393-C8-1394
DOI: 10.1051/jphyscol:19888639
MONTE CARLO STUDY OF QUANTUM SPIN SYSTEMS ON THE SQUARE LATTICE
Y. Okabe1 et M. Kikuchi21 Department of Physics, Tohoku University, Sendai 980, Japan
2 Department of Physics, Osaka University, Toyonaka 560, Japan
Abstract
The quantum XXZ model of spin 1/2 on the square lattice is numerically investigated. We use both the conventional quantum Monte Carlo method and the projector Monte Carlo method. The ground-state energy and the existence of the long-range order are examined.