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

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posted on 03.04.2006 by A.S. Alexandrov, A.M. Bratkovsky
The semi-classical Lifshitz-Kosevich (LK) description of quantum oscillations is extended to a multiband two-dimensional Fermi liquid with a constant number of electrons. The amplitudes of novel oscillations with combination frequencies, recently predicted and observed experimentally, are analytically derived and compared with the single-band amplitudes. The combination amplitudes decay with temperature exponentially faster than the standard harmonics, and this provides a valuable tool for their experimental identification.

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78265 bytes

Publication date

2000

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This is a pre-print.

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en

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