Effect of interchain coupling on the inversed polarization of a biexciton in conjugated polymers | Zendy

Kun Gao | Zendy; Fu Ji-Yong | Zendy; Desheng Liu | Zendy; Shijie Xie | Zendy

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Effect of interchain coupling on the inversed polarization of a biexciton in conjugated polymers

Author(s) -

Kun Gao,

Fu Ji-Yong,

Desheng Liu,

Shijie Xie

Publication year - 2005

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.54.665

Subject(s) - polarization (electrochemistry) , biexciton , degenerate energy levels , coupling (piping) , condensed matter physics , materials science , conjugated system , exciton , polymer , molecular physics , physics , chemical physics , quantum mechanics , chemistry , metallurgy , composite material

Effect of interchain coupling on the inversed polarization of a biexciton has been studied in the framework of a tightbinding approximation. It was found that a biexciton state is mainly confined in one chain even the interchain coupling is included. The inversed polarization will be enhanced remarkably with the interchain coupling in the case of a weak nondegenerate confinement. However, the inversed polarization will keep nearly unchanged for a strong nondegenerate confinement.

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