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5. Effective spin dephasing mechanism in confined two-dimensional topological insulators

Effective spin dephasing mechanism in confined two-dimensional topological insulators

来源 :中国科学：物理学、力学、天文学英文版 | 被引量 : 0次 | 上传用户：storm369

【摘 要】

：

A Kramers pair of helical edge states in quantum spin Hall effect(QSHE) is robust against normal dephasing but not robust to spin dephasing. In our work, we pro

【作 者】

：

JunJie Qi HaiWen Liu Hua Jiang 

【机 构】

：

InstituteofPhysics,CenterforAdvancedQuantumStudies,CollegeofPhysics,InternationalCenterforQuantumMat

【出 处】

：

中国科学：物理学、力学、天文学英文版

【发表日期】

：

2016年7期

【关键词】

：

量子自旋 退相干 绝缘体 二维 拓扑 机制 电子-声子相互作用 时间反演对称性 quantum spin Hall effect  bound helical 

【基金项目】

：

This work was supported by the National Basic Research Program of China （Grant Nos. 2015CB921102, 2012CB821402 and 2012CB921303） and the National Natural Science Foundation of China （Grant Nos. 115340

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A Kramers pair of helical edge states in quantum spin Hall effect(QSHE) is robust against normal dephasing but not robust to spin dephasing. In our work, we provide an effective spin dephasing mechanism in the puddles of two-dimensional(2D) QSHE, which is

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