Zwitterionic and Diradical Breathers in Trans-Polyacetylene

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概要

• 論文の詳細を見る

• We study effects of the π electron Coulomb interaction on breathers in trans-polyacetylene utilizing the Pariser-Parr-Pople (PPP) model. Charged solitons with opposite charges and neutral solitons with antiparallel spins, respectively, have attractive interactions and make dynamical bound states of two kinds, zwitterionic and diradical breathers. We numerically simulate adiabatic lattice motions to demonstrate the breather oscillations. The zwitterionic and diradical breathers have different energies, spatial extents and oscillation periods but have similar oscillation patterns. They may explain the ionic and neutral excitations observed in the phtoinduced absorption spectra of trans-polyacetylene. the zwitterionic breather may also explain the self-pinning of phtogenerated charged solitons.

• 理論物理学刊行会の論文
• 1988-01-25

著者

• FUKUTOME Hideo

  Department of Physics, Kyoto University

• Fukutome Hideo

  Department Of Physics Faculty Of Science Kyoto University

• Sasai M

  Inst. Molecular Science Okazaki

• SASAI Masaki

  Institute for Molecular Science

• FUKUTOME Hideo

  Department of Physics, Faculty of Science, Kyoto University

• FUKUTOME Hideo

  Department of Physics, Kyoto Unversity

• FUKUTOME Hideo

  Deoartment of Physics, Kyoto University

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