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arXiv 1602.08407cond-mat.mes-hall
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高质量二维电子气中高阶磁等离子体激元的电阻探测

Resistively detected high-order magnetoplasmons in a high-quality 2D electron gas

Q. Shi, M. A. Zudov, L. N. Pfeiffer, K. W. West, J. D. Watson, M. J. Manfra

摘要:

本文报道了在高迁移率GaAs量子阱中检测到的高阶磁等离子体共振。这些共振表现为一系列的Shubnikov-de Haas振荡制度的光阻极值。扩展到20以上的订单,极值表现出交替的强度,在偶(奇)阶磁等离子体激元模式更少(更多)明显。这种实验技术提供了灵敏和优雅的手段来检测和研究多种磁等离子体模式,并可应用于其他系统。

英文摘要:

We report on high-order magnetoplasmon resonances detected in photoresistance in high-mobility GaAs quantum wells. These resonances manifest themselves as a series of photoresistance extrema in the regime of Shubnikov-de Haas oscillations. Extending to orders above 20, the extrema exhibit alternating strength, being less (more) pronounced at even (odd) order magnetoplasmon modes. This experimental technique provides sensitive and elegant means to detect and investigate multiple magnetoplasmon modes and could be applied to other systems.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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