Critically of the anisotropic quantum Heisenberg model on a simple cubic lattice
β Scribed by A.M. Mariz; R.M. Zorzenon Dos Santos; C. Tsallis; R.R. Dos Santos
- Publisher
- Elsevier Science
- Year
- 1985
- Tongue
- English
- Weight
- 312 KB
- Volume
- 108
- Category
- Article
- ISSN
- 0375-9601
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π SIMILAR VOLUMES
We study the critical phenomena of the hard-sphere lattice gas on the simple cubic lattice with nearest neighbour exclusion by the Monte Carlo method. We get the critical exponents fl/~, = 0.313(9) and y/~, = 2.37(2), where fl is the critical exponent for the staggered density, Y for the staggered c
We extend our own previous applications of the microscopic coupled-cluster method (CCM) to quantum antiferromagnets. In particular, we carry out a systematic calculation involving high-order multispin correlations for the spin-f anisotropic Heisenberg models on the one-dimensional chain and the two-