准二维金属中磁击穿对角度相关磁电阻影响的解析可解模型
An analytically solvable model of the effect of magnetic breakdown on angle-dependent magnetoresistance in a quasi-two-dimensional metal
摘要：
本文建立了一个准二维金属中发生磁击穿的角度相关磁电阻振荡（AMRO）的解析模型。该模型考虑到所有的贡献，从准粒子经历磁击穿和布拉格反射在每个结，并允许非常有效的模拟数据，可以与最近的实验结果进行比较的有机金属kappa-ET 2Cu（NCS）2。由闭合和开放轨道产生的AMRO在低场下自然出现，并且该模型能够详细描述随着场的增加向击穿AMRO的过渡。
英文摘要：
We have developed an analytical model of angle-dependent magnetoresistance oscillations (AMROs) in a quasi-two-dimensional metal in which magnetic breakdown occurs. The model takes account of all the contributions from quasiparticles undergoing both magnetic breakdown and Bragg reflection at each junction and allows extremely efficient simulation of data which can be compared with recent experimental results on the organic metal kappa-ET2Cu(NCS)2. AMROs resulting from both closed and open orbits emerge naturally at low field, and the model enables the transition to breakdown-AMROs with increasing field to be described in detail.
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