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Fractionally Charged Excitations in Charge-Density – Wave Systems with Commensurability 3

Department of Physics and Institute for Theoretical Physics, University of California, Santa Barbara, California 93106, USA

Permanent address: Department of Physics, University of Pennsylvania, Philadelphia, Pa. 19104.

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J. R. Schrieffer

Department of Physics and Institute for Theoretical Physics, University of California, Santa Barbara, California 93106, USA

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https://doi.org/10.1142/9789812777041_0022Cited by:0 (Source: Crossref)

Abstract:

A theoretical study of topological excitations (kinks) in a one-dimensional one-third–filled Peierls system is presented. The charges associated with the kinks are found to be fractional , . Calculations of the spatial widths and electronic structure of different types of kinks are carried out numerically. Possible applications to tetrathia-fulvalene-tetracyanoquinodimethane (TTF-TCNQ) are mentioned.

PACS: 71.45.-d

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Fractionally Charged Excitations in Charge-Density – Wave Systems with Commensurability 3

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