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Теоретическое исследование магнитных взаимодействий в диоксиде хрома
- Publication Year :
- 2015
-
Abstract
- We investigate behavior of the interatomic magnetic interactions in CrO2, starting from original and static variant of DMFT, based on the exact diagonalization of the effective Anderson impurity Hamiltonian, and Hartree-Fock approach. The contributions of double exchange, superexchange and higher order interactions, obtained from 1/A expansion (A being the intraatomic exchange splitting), were found to play an important role in stabilizing the ferromagnetic phase in CrO2.
Details
- Database :
- OAIster
- Notes :
- Russian
- Publication Type :
- Electronic Resource
- Accession number :
- edsoai.on1262143157
- Document Type :
- Electronic Resource