Semiclassical theory of magnetic quantum oscillations in a two-dimensional multiband canonical Fermi liquid

被引：43
|
作者：
Alexandrov, AS [1 ]
Bratkovsky, AM
机构：
[1] Univ Loughborough, Dept Phys, Loughborough LE11 3TU, Leics, England
[2] Hewlett Packard Labs, Palo Alto, CA 94304 USA
来源：
PHYSICAL REVIEW B | 2001年 / 63卷 / 03期
关键词：
D O I：
10.1103/PhysRevB.63.033105
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The semiclassical Lifshitz-Kosevich description of quantum oscillations is extended to a multiband two-dimensional Fermi liquid with a constant number of electrons. The amplitudes of oscillations with combination frequencies, recently predicted and observed experimentally, are analytically derived and compared with the single-band amplitudes. The combination amplitudes de:cay with temperature exponentially faster than the standard harmonics, and this provides st valuable tool for their experimental identification.
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页数：3
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