Phase structure of clock spin models with dipolar and quadrupolar interactions
β Scribed by Shyh-Tzer Chen
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 236 KB
- Volume
- 176
- Category
- Article
- ISSN
- 0375-9601
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An Ising model with two-spin interactions and three-spin interactions on the diced lattice is investigated. The investigation is extended to a mixed spin model consisting of Ising spins of +I and those of magnitude s, and one consisting of Ising spins of 21 and classical n-vector spins. It turns ou
A new solid-state MAS NMR experiment is described that recovers the dipolar interaction between spin-l/2 nuclei and quadrupolar nuclei spin pairs. This technique combines the principles of rotational-echo, double-resonance (REDOR) NMR and transfer-of-populations-double-resonance (TRAPDOR) NMR. Dipol