Chin. Phys. Lett.  1995, Vol. 12 Issue (8): 453-456    DOI:
Original Articles |
Site-Pairing of Electron in Doped C60
ZHANG Guoping1,2;FU Rongtang1;SUN Xin;Y. Takahashi3
1T. D. Lee Laboratory and Department of Physics, Fudan University, Shanghai 200433 and National Laboratory of Infrared Physics, Shanghai 200083 2Department of Material Science, Fudan University, Shanghai 200433 3Department of Physics, University of Alberta, Edmonton T6G 2J1, Canada
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ZHANG Guoping, FU Rongtang, SUN Xin et al  1995 Chin. Phys. Lett. 12 453-456
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Abstract Going beyond both a simple perturbative theory and Hartree-Fock treatment, the Gutzwiller variational scheme is employed to clarify the possibility of electron site-pairing in doped C60. It is shown that this pairing can be induced by electron-phonon interaction rather than electron-electron interaction. Our results are supported by EPR experiments.
Keywords: 31.30.-i      71.10.+x      75.10.-b     
Published: 01 August 1995
PACS:  31.30.-i (Corrections to electronic structure)  
  71.10.+x  
  75.10.-b (General theory and models of magnetic ordering)  
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http://cpl.iphy.ac.cn/       OR      http://cpl.iphy.ac.cn/Y1995/V12/I8/0453
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