Localized vibrational modes around solitons in coupled trans-polyacetylene chains | |
Z. J. Li; Z. An; Y. S. Xiong; K. L. Yao | |
1996 | |
发表期刊 | Zeitschrift Fur Physik B-Condensed Matter
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ISSN | 0722-3277 |
卷号 | 100期号:3页码:429-432 |
摘要 | The effects of interchain coupling have been studied on the localized vibrational modes around a soliton in doped and photoexcited samples of trans-(CH)(x) by using an extension of the SSH model in which two neighboring chains modeled individually by SSH Hamiltonian and coupled by an interchain electronic transfer term are considered. The electronic pinning: is also included within this model. The localized modes obtained in the SSH model are split and their frequencies are shifted after turning on the interchain coupling. Furthermore, our result can account for the three strong infrared lines at 900, 1260 and 1370 cm(-1) along with a weaker peak at 1150 cm(-1) in the optical absorption spectra of lightly doped samples. |
部门归属 | hehei normal univ, dept phys, shijiazhuang 050016, peoples r china. acad sinica, int ctr mat phys, shenyang 110015, peoples r china. ccast, world lab, ctr theoret phys, beijing, peoples r china.;li, zj (reprint author), huazhong univ sci & technol, dept phys, wuhan 430074, peoples r china |
关键词 | Trans-(Ch)x Confinement |
URL | 查看原文 |
WOS记录号 | WOS:A1996UU76000015 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.imr.ac.cn/handle/321006/38329 |
专题 | 中国科学院金属研究所 |
推荐引用方式 GB/T 7714 | Z. J. Li,Z. An,Y. S. Xiong,et al. Localized vibrational modes around solitons in coupled trans-polyacetylene chains[J]. Zeitschrift Fur Physik B-Condensed Matter,1996,100(3):429-432. |
APA | Z. J. Li,Z. An,Y. S. Xiong,&K. L. Yao.(1996).Localized vibrational modes around solitons in coupled trans-polyacetylene chains.Zeitschrift Fur Physik B-Condensed Matter,100(3),429-432. |
MLA | Z. J. Li,et al."Localized vibrational modes around solitons in coupled trans-polyacetylene chains".Zeitschrift Fur Physik B-Condensed Matter 100.3(1996):429-432. |
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