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NEGATIVE U CENTERS AND LOCAL LATTICE VIBRATION IN CHARGE DISPROPORTIONATION SYSTEM |
| CHEN Changfeng |
| Department of Technical Physics, Peking University, Beijing |
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| Cite this article: |
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CHEN Changfeng 1987 Chin. Phys. Lett. 4 489-492 |
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Abstract The interaction between negative U center and conduction electron in charge disproportionation system is studied. We point out that the dissociation and formation of negative U centers will cause local lattice vibration, from which electron-phonon interaction may result and this has great influence on the superconductivity of the system.
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Published: 01 November 1987
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