PHONON-INDUCED ITINERANT SPIN SUSCEPTIBILITY
SCIE
- Title
- PHONON-INDUCED ITINERANT SPIN SUSCEPTIBILITY
- Authors
- LEE, JD; MIN, BI
- Date Issued
- 1995-06
- Publisher
- KOREAN PHYSICAL SOC
- Abstract
- In order to study the contribution of the electron-phonon interaction to the Stoner susceptibility, we obtain the spin susceptibility for the Hubbard Hamiltonian system with an electron-phonon interaction. We employ the equation of motion method of the Green's function to calculate the spin susceptibility. It is found that effects of the electron-phonon interaction on the susceptibility become substantial depending on underlying electronic structures and the value of the electron-electron correlation interaction. It is also found that the phonon contribution gives rise to a linear temperature dependence of the susceptibility and a reduced Curie temperature, resolving the shortcomings of Stoner's mean field theory.
- Keywords
- ELECTRON FERROMAGNETISM; SUPERCONDUCTIVITY; MAGNETISM
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/21767
- ISSN
- 0374-4884
- Article Type
- Article
- Citation
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY, vol. 28, no. 3, page. 322 - 328, 1995-06
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- There are no files associated with this item.
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