聚乙炔
孤子
兴奋剂
激发
物理
凝聚态物理
电荷(物理)
能量转移
原子物理学
带隙
化学物理
材料科学
量子力学
分子物理学
粒子物理学
非线性系统
作者
W. P. Su,J. R. Schrieffer,Alan J. Heeger
标识
DOI:10.1103/physrevlett.42.1698
摘要
We present a theoretical study of soliton formation in long-chain polyenes, including the energy of formation, length, mass, and activation energy for motion. The results provide an explanation of the mobile neutral defect observed in undoped ${(\mathrm{CH})}_{x}$. Since the soliton formation energy is less than that needed to create band excitation, solitons play a fundamental role in the charge-transfer doping mechanism.
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