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The microstructures of solitons in one dimensional conductors with quarter filled band

✍ Scribed by Xin Sun; Chang-qin Wu; S. DasSarma

Publisher: Elsevier Science
Year: 1988
Tongue: English
Weight: 160 KB
Volume: 4
Category: Article
ISSN: 0749-6036
DOI: 10.1016/0749-6036(88)90169-3

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✦ Synopsis

In some 1D conductors such as orthorhomic TaS3 and vanadium bronze, the energy band is one-quarter filled. Due to the instability of 1D lattice caused by the electron-lattice interaction, there appears quadrimerization in the lattice, and the ground state becomes four-fold degenerate with different phases. The domain walls between two phases are soliton-like excited states. There are two types of solitons S, and S,,, the former has

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