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arXiv 0907.5218cond-mat.mes-hall
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Skyrme晶体在朗道能级填充因子$ν$ =1附近的钉扎模共振

Pinning mode resonance of a Skyrme crystal near Landau level filling factor $ν$=1

Han Zhu, G. Sambandamurthy, Yong P. Chen, Pei-Hsun Jiang, Lloyd Engel, D. C. Tsui, L. N. Pfeiffer, K. W. West

摘要:

在整数量子霍尔效应周围发现的微波钉扎模式共振是结晶准粒子或空穴的特征。对这些晶体施加面内磁场,增加塞曼能量,对刚好低于朗道能级填充$ν=2$的共振的影响可以忽略不计,但是增加了$ν=1$附近的钉扎频率,特别是对于较小的准粒子/空穴密度。$ν=1$附近的电荷动力学,晶体顺序的特征,受到自旋的影响,在与Skyrme晶体一致的方式。

英文摘要:

Microwave pinning-mode resonances found around integer quantum Hall effects, are a signature of crystallized quasiparticles or holes. Application of in-plane magnetic field to these crystals, increasing the Zeeman energy, has negligible effect on the resonances just below Landau level filling $ν=2$, but increases the pinning frequencies near $ν=1$, particularly for smaller quasiparticle/hole densities. The charge dynamics near $ν=1$, characteristic of a crystal order, are affected by spin, in a manner consistent with a Skyrme crystal.

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