Maqola

Solitons in conducting polymers

Alan J. HeegerDepartment of Physics and Institute for Polymers and Organic Solids, University of California at Santa Barbara, Santa Barbara, California 93106Steven A. KivelsonDepartment of Physics, SUNY at Stony Brook, Stony Brook, New York 11794-3800J. R. SchriefferDepartment of Physics and Institute for Polymers and Organic Solids, University of California at Santa Barbara, Santa Barbara, California 93106W. P. SuDepartment of Physics and Institute for Polymers and Organic Solids, University of California at Santa Barbara, Santa Barbara, California 93106

1988en

Ochiq kirish: yoʻq

ABI

Annotatsiya

Self-localized nonlinear excitations (solitons, polarons, and bipolarons) are fundamental and inherent features of quasi-one-dimensional conducting polymers. Their signatures are evident in many aspects of the physical and chemical properties of this growing class of novel materials. As a result, these polymers represent an opportunity for exploring the novel phenomena associated with topological solitons and their linear confinement which results from weakly lifting the ground-state degeneracy. The authors review the theoretical models that have been developed to describe the physics of polyacetylene and related conducting polymers and summarize the relevant experimental results obtained for these materials. An attempt is made to assess the validity of the soliton model of polyacetylene and its generalization to related systems in which the ground-state degeneracy has been lifted.

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DOI: 10.1103/revmodphys.60.781

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