Theory of Orbital Ordering. I
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概要
- 論文の詳細を見る
The Hamiltonian for the electron interaction is decoupled within the Hartree-Fock approximation, by taking into account < a^+_<y_2kσ> a_>y_1kσ> > for the interband transition from ν_1 to ν_2. The imaginary part of this expectation value is responsible for the orbital susceptibility which is enhanced by the molecular field arising from the exchange scattering between electrons. The condition for the occurrence of the ordering for the orbital magnetic moment is investigated at the absolute zero. In the spin saturated ferro-state, the ordering occurs just at the infinity of the orbital susceptibility with increasing exchange parameters. In the spin unsaturated ferro-state, the coupled equations for the spin and orbital orderings are solved to minimize the energy of the system, and the dependence of orderings upon the exchange parameters is investigated. The susceptibility with the occurrence of the orbital orderings is calculated.
- 理論物理学刊行会の論文
- 1976-07-25
著者
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Haga Eijiro
Department Of Applied Physics Faculty Of Engineering Nagoya University
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AISAKA Tsuyoshi
Department of General Education, Tottori University
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Aisaka Tsuyoshi
Department Of General Education Tottori University
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Aisaka Tsuyoshi
Department Of Applied Mathematics And Physics Tottori University
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AIKAWA Tsuyoshi
Department of Applied Physics, Faculty of Engineering Nagoya University
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Aikawa Tsuyoshi
Department Of Applied Physics Faculty Of Engineering Nagoya University
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HAGA Eijiro
Department of Applied Physics Faculty of Engineering, Nagoya University
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HAGA Eijiro
Department of Applied Physics, Faculty of Engineering, Nagoya University
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