Amplitude Mode around a Moving Soliton in Polyacetylene
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概要
- 論文の詳細を見る
Amplitude mode around a moving soliton in polyacetylene is studied by the numerical simulations of the motion of the charged soliton in an external electric field within Su, Schrieffer and Heeger's model. Its shape is visualized by numerically subtracting the Goldstone mode from the time derivatives of the lattice displacements, which are thought to be decomposed into linear normal modes around the (moving) soliton. The frequency of the amplitude mode as a function of the soliton velocity is estimated from the oscillations of the soliton width and the lattice potential energy, the latter oscillation being considered to be induced mainly by the amplitude oscillation. The frequency is found to increase as the velocity deviates from zero.
- 社団法人日本物理学会の論文
- 1993-03-15
著者
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Kuwabara M
Eletrotechnical Lab. Ibaraki
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Ono Yoshiyuki
Department Of Physicis Toho University
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Kuwabara Makoto
Department Of Applied Chemistry Faculty Of Engineering Kyushu Institute Of Technology
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