BOUNDARY CONDITIONS AND THE STABILITY OF ONE-DIMENSIONAL CONDUCTING POLYMERS | Zendy

Jianhua Wei | Zendy; XIE SHI-JIE | Zendy; MEI LIANG-MO | Zendy

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BOUNDARY CONDITIONS AND THE STABILITY OF ONE-DIMENSIONAL CONDUCTING POLYMERS

Author(s) -

Jianhua Wei,

XIE SHI-JIE,

MEI LIANG-MO

Publication year - 1997

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.46.747

Subject(s) - polyacetylene , boundary value problem , polymer , boundary (topology) , materials science , work (physics) , chain (unit) , stability (learning theory) , absorption (acoustics) , chemical physics , condensed matter physics , molecular physics , physics , thermodynamics , composite material , mathematical analysis , quantum mechanics , computer science , mathematics , machine learning

The stabilities of one-dimensional conducting polymer chains with finte lengths have been studied in the frame work of the SSH tight-binding model.Three kinds of boundary conditions have been proposed to stabilize the dimerized structure of the chains.It was found that the natural boundary condition or the end-fixed boundary condition is applicable for getting a result to fit the observed photo-absorption of polyacetylene with short (N<20) lengths.

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