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A CRITERION FOR TWO KINDS OF PEIERLS TRANSITIONS |
| Z. Wang;C. Wu;X. Sun |
| Department of Physics, Fudan University, Shanghai |
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| Cite this article: |
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Z. Wang, C. Wu, X. Sun 1985 Chin. Phys. Lett. 2 141-144 |
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Abstract Two different kinds of Peierls transitions can exist depending on the anisotropic ratio y of intrachain and interchain coupling. γ has a critical value γo; if γ > γo, the Peierls transition will exhibit a CDW accompanied by a metal-semiconductor transition (kind I); if γγo, only CDW and superlattice occur at Peierls transition (kind II). Some experimental evidences are discussed.
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Published: 01 March 1985
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