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On a New Approach to the Theory of the Heisenberg Ferromagnet

✍ Scribed by M. P. Zhelifonov; A. R. Kessel


Publisher
John Wiley and Sons
Year
1969
Tongue
English
Weight
150 KB
Volume
31
Category
Article
ISSN
0370-1972

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On Different Perturbation Theoretical Ap
✍ A. KΓΌhnel πŸ“‚ Article πŸ“… 1973 πŸ› John Wiley and Sons 🌐 English βš– 401 KB

## Abstract The results of the drone‐fermion representation (DFR) in application to the Heisenberg ferromagnet with spin 1/2 are compared with the corresponding results obtained by means of Pauli operators. The expressions calculated in DFR by Spencer for the perturbational expansion of the one‐par