中国物理B ›› 1995, Vol. 4 ›› Issue (2): 125-129.doi: 10.1088/1004-423X/4/2/007

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JAHN-TELLER EFFECT AND SUPERCONDUCTING MECHANISM OF THE HOLE-DOPED C60 SOLID

陈锋, 徐铁峰, 严大东, 李文铸   

  1. Departrnent of Physics, Zhejiang University, Hangzhou 310027, China
  • 收稿日期:1994-01-22 出版日期:1995-02-20 发布日期:1995-02-20
  • 基金资助:
    Project supported by the National Natural Science Foundation of China.

JAHN-TELLER EFFECT AND SUPERCONDUCTING MECHANISM OF THE HOLE-DOPED C60 SOLID

CHEN FENG (陈锋), XU TIE-FENG (徐铁峰), YAN DA-DONG (严大东), LI WEN-ZHU (李文铸)   

  1. Departrnent of Physics, Zhejiang University, Hangzhou 310027, China
  • Received:1994-01-22 Online:1995-02-20 Published:1995-02-20
  • Supported by:
    Project supported by the National Natural Science Foundation of China.

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摘要： A possible superconducting mechanism of the hole-doped C60 solid is discussed. Under the assumption that the superconductivity results from the strong coupling between electrons at Fermi surface and intramolecular vibrations, a simple expression for the electron-phonon coupling parameter λ is derived. The related transition temperature is estimated and can be much greater than that of the alkali-metal-doped C60 solid.

Abstract: A possible superconducting mechanism of the hole-doped C60 solid is discussed. Under the assumption that the superconductivity results from the strong coupling between electrons at Fermi surface and intramolecular vibrations, a simple expression for the electron-phonon coupling parameter $\lambda$ is derived. The related transition temperature is estimated and can be much greater than that of the alkali-metal-doped C60 solid.

中图分类号:  (Spin-orbit coupling, Zeeman and Stark splitting, Jahn-Teller effect)

  • 71.70.Ej
71.18.+y (Fermi surface: calculations and measurements; effective mass, g factor) 74.25.Kc (Phonons) 74.62.Dh (Effects of crystal defects, doping and substitution)