Nonequilibrium noise correlations in a point contact of helical edge states

来源 :中国科学院第七届海峡两岸及国际量子调控会议 | 被引量 : 0次 | 上传用户：wenshibing

【摘要】

：

We investigate theoretically the nonequilibrium finite-frequency current noise in a four-terminal quantum point contact of interacting helical edge states at a

【作者】

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Yu-Li Lee

【出处】

：

中国科学院第七届海峡两岸及国际量子调控会议

【发表日期】

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2013年6期

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We investigate theoretically the nonequilibrium finite-frequency current noise in a four-terminal quantum point contact of interacting helical edge states at a finite bias voltage.Special focus is put on the effects of the single-particle and two-particle scattering between the two helical edge states on the fractional charge quasi-particle excitations shown in the non-equilibrium current noise spectra.

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Nonequilibrium noise correlations in a point contact of helical edge states

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