QUASI-PARTICLE ENERGY-SPECTRA AND MAGNETIC RESPONSE OF CERTAIN CURVED GRAPHITIC GEOMETRIES

被引：31
|
作者：
WANG, L
DAVIDS, PS
SAXENA, A
BISHOP, AR
机构：
[1] LOS ALAMOS NATL LAB,CTR NONLINEAR STUDIES,LOS ALAMOS,NM 87545
[2] LOS ALAMOS NATL LAB,CTR MAT SCI,LOS ALAMOS,NM 87545
来源：
PHYSICAL REVIEW B | 1992年 / 46卷 / 11期
关键词：
D O I：
10.1103/PhysRevB.46.7175
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The quasiparticle energy spectra associated with some members of fullerene (curved graphitic geometries, e.g., C50, C60, C70, and helical graphitic microtubules) are obtained analytically within the Hartree-Fock mean-field approximation. The magnetization and magnetic susceptibility are calculated in the presence of a strong external magnetic field at zero temperature. Interesting theoretical predictions such as the single quasiparticle excitation energies for C50, C50+; C60, C60+; C70 and C70+ as well as the presence of an extra peak in de Haas-van Alphen oscillations for a helical graphitic microtubule are discussed in terms of accessible experimental measurements.
引用
收藏
页码：7175 / 7178
页数：4
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