Damping of field-induced chemical potential oscillations in ideal two-band compensated metals

Details Damping of field-induced chemical potential oscillations in ideal two-band compensated metals Damping of field-induced chemical potential oscillations in ideal two-band compensated metals

2007-09-14

arxiv.org/abs/0709.2223v2

Physics

Condensed Matter

Statistical Mechanics

11 pages, 10 figures, to appear in PRB

Scientific paper

10.1103/PhysRevB.77.134440

The field and temperature dependence of the de Haas-van Alphen oscillations spectrum is studied for an ideal two-dimensional compensated metal. It is shown that the chemical potential oscillations, involved in the frequency combinations observed in the case of uncompensated orbits, are strongly damped and can even be suppressed when the effective masses of the electron- and hole-type orbits are the same. When magnetic breakdown between bands occurs, this damping is even more pronounced and the Lifshits-Kosevich formalism accounts for the data in a wide field range.

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