Site-Pairing of Electron in Doped C<suB>60</suB>

Chin. Phys. Lett.

1995, Vol. 12

Issue (8): 453-456 DOI:

Original Articles

Site-Pairing of Electron in Doped C₆₀

ZHANG Guoping^1,2;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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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1995/V12/I8/0453

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