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题名: E circle times e Jahn-Teller effect in C-70(3-) systems
作者: Tian, L ;  Yi, YS ;  Wang, CL ;  Su, ZB
刊名: INTERNATIONAL JOURNAL OF MODERN PHYSICS B
出版日期: 1997
卷号: 11, 期号:16, 页码:1969-1978
关键词: C70 ;  CLUSTERS ;  C60 ;  FULLERENES ;  SPECTRA ;  RAMAN ;  MODEL
学科分类: Physics
通讯作者: Tian, L , BEIJING UNIV,DEPT PHYS,BEIJING 100871,PEOPLES R CHINA.
部门归属: CHINESE ACAD SCI,INST THEORET PHYS,BEIJING 100080,PEOPLES R CHINA; CHINA CTR ADV SCI & TECHNOL,WORLD LAB,BEIJING 100080,PEOPLES R CHINA
英文摘要: The electron-phonon interaction in C-70 anions is studied by making use of a lattice We find there exists a Jahn-Teller effect in C-70(3-) system, due to an extra electron being doped to the double degenerate E-1 '' state. As a result of this effect, the original D-5h symmetry of the ground state becomes unstable, which causes distortion of the lattice configuration. The only symmetry maintained in the final state of the relaxation is the x-y plane reflection symmetry. We further find that besides the Jahn-Teller active A(1)', A(2)' E-2' modes, the non-Jahn-Teller active E-1' vibrations also contribute to the relaxation process. The E-1' components come from the nonlinear effect and are two or three orders smaller than those of the Jahn-Teller active modes. We suggest that the C-70(3-) molecule is a promising Berry Phase candidate in this effective E x e Jahn-Teller system.
收录类别: SCI
原文出处: 查看原文
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/12458
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Tian, L,Yi, YS,Wang, CL,et al. E circle times e Jahn-Teller effect in C-70(3-) systems[J]. INTERNATIONAL JOURNAL OF MODERN PHYSICS B,1997,11(16):1969-1978.
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