Absence of spontaneous magnetization in spin systems with competing interactions
โ Scribed by Hidetoshi Nishimori; Masuo Suzuki
- Publisher
- Elsevier Science
- Year
- 1981
- Tongue
- English
- Weight
- 241 KB
- Volume
- 81
- Category
- Article
- ISSN
- 0375-9601
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๐ SIMILAR VOLUMES
A proof is presented to show that there exists no spontaneous magnetization at high temperatures for the Ising model on the square lattice when the interactions are between nearest-neighbour pairs as well as between quartets on the basic plaquettes. The proof can be extended to the general Ising mod
## Abstract The internal interactions in spin systems depend on the magnetic field strength, since the latter perturbs the electronic wave functions. The changes in the interaction tensors are approximately proportional to the applied magnetic field. This effect is experimentally most significant f