Coherent potential approximation approach to electronic structure of DNA

    Research output: Contribution to journalArticle

    Abstract

    The electronic structure of DNA is theoretically investigated by use of the coherent potential approximation. Even when the sequence of the four kinds of bases is nonperiodic, guanine block forms the persistent highest valence band edge, and adenine block forms the persistent lowest conduction band edge state. According to the calculated joint density-of-states energy profiles, the site first attacked by the lowest excitation is adenine block. After this excitation, electrons are generated at adenine sites, and holes are generated at guanine sites. The resulting electronic structures of the valence band and conduction band suggest that the base complementarity in DNA produces the complementarity in the density-of-states divergences of the excited electrons and holes. This complementarity lowers the excitation instability in the DNA chains.

    Original languageEnglish
    Pages (from-to)183-202
    Number of pages20
    JournalMathematical Biosciences
    Volume130
    Issue number2
    DOIs
    Publication statusPublished - 1995

    Fingerprint

    complementarity
    Electronic Structure
    Adenine
    adenine
    electronics
    Electronic structure
    Complementarity
    DNA
    guanine
    Guanine
    Valence bands
    Conduction bands
    Excitation
    Density of States
    Approximation
    electrons
    Conduction
    Electrons
    electron
    Lowest

    ASJC Scopus subject areas

    • Agricultural and Biological Sciences(all)
    • Biochemistry, Genetics and Molecular Biology(all)
    • Immunology and Microbiology(all)
    • Applied Mathematics
    • Modelling and Simulation
    • Statistics and Probability
    • Medicine(all)
    • Ecology, Evolution, Behavior and Systematics

    Cite this

    Coherent potential approximation approach to electronic structure of DNA. / Takeda, Kyozaburo.

    In: Mathematical Biosciences, Vol. 130, No. 2, 1995, p. 183-202.

    Research output: Contribution to journalArticle

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