Exact exponents for the spin quantum Hall transition in the presence of multiple edge channels.

Exact exponents for the spin quantum Hall transition in the presence of multiple edge channels.
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存在多个边缘通道时自旋量子霍尔跃迁的精确指数。

DOI:
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发表时间:
1999
影响因子:
8.6
通讯作者:
H. Saleur
H. Saleur
中科院分区:
物理与天体物理1区
文献类型:
--
作者:
R. Bondesan;I. Gruzberg;J. Jacobsen;H. Obuse;H. Saleur

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量子霍尔系统的临界特性受到额外边缘通道的影响,这些通道特别是在更高的平台跃迁时存在。我们研究了自旋量子霍尔跃迁的情况下,这种现象。利用超对称性,我们将相应的网络模型映射到一个经典的回路模型,其边界临界行为最近被精确地确定。我们通过大量的数值模拟验证了精确解的预测。
Critical properties of quantum Hall systems are affected by the presence of extra edge channels-those that are present, in particular, at higher plateau transitions. We study this phenomenon for the case of the spin quantum Hall transition. Using supersymmetry, we map the corresponding network model to a classical loop model, whose boundary critical behavior was recently determined exactly. We verify predictions of the exact solution by extensive numerical simulations.
DOI: 10.1007/s00220-005-1330-9
发表时间: 2005-08-01
影响因子: 2.4
作者:
Heinzner, P;Huckleberry, A;Zirnbauer, MR
通讯作者: Zirnbauer, MR