Abstract

The paper considers the semiclassical dynamics of electrons on complex Fermi surfaces in the presence of strong magnetic fields. The reconstructions of the general topological structure of such dynamics are accompanied by the appearance of closed extremal trajectories of a special form, closely related to geometry and topology of the Fermi surface. The study of oscillation phenomena on such trajectories allows, in particular, to propose a relatively simple method for refining the parameters of the dispersion relation in metals with complex Fermi surfaces.

中文翻译：

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磁场中电子动力学和复杂费米面几何的重构

摘要

本文考虑了在强磁场存在下复杂费米表面上电子的半经典动力学。这种动力学的一般拓扑结构的重建伴随着一种特殊形式的封闭式极端轨迹的出现，该轨迹与费米表面的几何形状和拓扑密切相关。对这种轨迹上的振荡现象的研究尤其允许提出一种相对简单的方法，以细化具有复杂费米表面的金属中的色散关系参数。