Resistance oscillations by electron-nuclear spin coupling in microscopic quantum Hall devices

被引：0
|
作者：
Yusa, G
Hashimoto, K
Muraki, K
Saku, T
Hirayama, Y
机构：
[1] NTT Corp, NTT Basic Res Labs, Atsugi, Kanagawa 2430198, Japan
[2] Japan Sci & Technol Agcy, SORST Program, Kawaguchi, Saitama 3310012, Japan
[3] NTT Adv Technol, Atsugi, Kanagawa 2430198, Japan
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS | 2005年 / 44卷 / 4B期
关键词：
nuclear spin; quantum Hall effect; electron spin; nuclear magnetic resonance; semiconductor; nanotechnology; quantum computer;
D O I：
10.1143/JJAP.44.2669
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We study electron -n uc lear spin coupled systems implemented in microscopic fractional quantum Hall (FQH) devices. We find that the longtitudinal resistance in such systems oscillates with a period of about similar to 200 s and is driven by a constant voltage instead of a constant current. This anomalous behavior suggests that an average nuclear spin polarization self-sustainingly oscillates between randomized and polarized states which reveal the nonlinear nature of the mesoscopic electron-nuclear spill Coupled systems.
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收藏
页码：2669 / 2671
页数：3
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