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arXiv 1005.4197cond-mat.str-elcond-mat.mes-hall
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分数量子霍尔边的拓扑性质检验

Testing the topological nature of the fractional quantum Hall edge

Shivakumar Jolad, Jainendra K. Jain

摘要:

我们进行数值对角化比以前更大的系统,通过限制分数量子霍尔(coherH)边缘激发的基础上,是精确的短程相互作用和非常准确的库仑相互作用。这使我们能够对边缘物理的预测普遍性进行实质性的测试。我们的研究结果提供了令人信服的证据表明,即使在没有边缘重建的情况下,BHH边缘的行为本质上是非普适的,因此与体BHH状态没有尖锐和独特的关系。

英文摘要:

We carry out numerical diagonalization for much larger systems than before by restricting the fractional quantum Hall (FQH) edge excitations to a basis that is exact for a short-range interaction and very accurate for the Coulomb interaction. This enables us to perform substantial tests of the predicted universality of the edge physics. Our results provide compelling evidence that the behavior of the FQH edge is intrinsically nonuniversal, even in the absence of edge reconstruction, and therefore does not bear a sharp and unique relation to the bulk FQH state.

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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