Elementary events of electron transfer in a voltage-driven quantum point contact

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2007
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Vanevíc, Mihajlo
Nazarov, Yuli V.
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Abstract
We show that the statistics of electron transfer in a coherent quantum point contact driven by an arbitrary time-dependent voltage is composed of elementary events of two kinds: unidirectional one-electron transfers determining the average current and bidirectional two-electron processes contributing to the noise only. This result pertains at vanishing temperature while the extended Keldysh-Green s function formalism in use also enables the systematic calculation of the higher-order current correlators at finite temperatures.
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530 Physics
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ISO 690VANEVÍC, Mihajlo, Yuli V. NAZAROV, Wolfgang BELZIG, 2007. Elementary events of electron transfer in a voltage-driven quantum point contact. Available under: doi: 10.1103/PhysRevLett.99.076601
BibTex
@unpublished{Vanevic2007Eleme-9461,
  year={2007},
  doi={10.1103/PhysRevLett.99.076601},
  title={Elementary events of electron transfer in a voltage-driven quantum point contact},
  author={Vanevíc, Mihajlo and Nazarov, Yuli V. and Belzig, Wolfgang}
}
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