理想双带补偿金属中场致化学势振荡的阻尼
Damping of field-induced chemical potential oscillations in ideal two-band compensated metals
摘要：
研究了理想二维补偿金属的de Haas-van Alphen振荡谱的场和温度依赖性。它示出的化学势振荡，参与在未补偿轨道的情况下观察到的频率组合，强烈阻尼，甚至可以抑制时，电子和空穴型轨道的有效质量是相同的。当带之间发生磁击穿时，这种阻尼甚至更加明显，Lifshits-Kosevich形式主义在很宽的场范围内解释了数据。
英文摘要：
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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