Shot noise of photon-excited electron-hole pairs in open quantum dots

ML Polianski; Peter Samuelsson; M Buttiker

doi:10.1103/PhysRevB.72.161302

Shot noise of photon-excited electron-hole pairs in open quantum dots

ML Polianski, Peter Samuelsson, M Buttiker

Mathematical Physics

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Abstract

We investigate shot noise of photon-excited electron-hole pairs in open multiterminal, multichannel chaotic dots. Coulomb interactions in the dot are treated self-consistently giving a gauge-invariant expression for the finite frequency correlations. The Coulomb interactions decrease the noise; the strong interaction limit coincides with the noninteracting adiabatic limit. Inelastic scattering and dephasing in the dot are described by voltage and dephasing probe models, respectively. We find that dephasing leaves the noise invariant, but inelastic scattering decreases correlations eventually down to zero.

Original language	English
Journal	Physical Review B (Condensed Matter and Materials Physics)
Volume	72
Issue number	16
DOIs	https://doi.org/10.1103/PhysRevB.72.161302
Publication status	Published - 2005

Subject classification (UKÄ)

Condensed Matter Physics (including Material Physics, Nano Physics)

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10.1103/PhysRevB.72.161302

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abstract = "We investigate shot noise of photon-excited electron-hole pairs in open multiterminal, multichannel chaotic dots. Coulomb interactions in the dot are treated self-consistently giving a gauge-invariant expression for the finite frequency correlations. The Coulomb interactions decrease the noise; the strong interaction limit coincides with the noninteracting adiabatic limit. Inelastic scattering and dephasing in the dot are described by voltage and dephasing probe models, respectively. We find that dephasing leaves the noise invariant, but inelastic scattering decreases correlations eventually down to zero.",

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AB - We investigate shot noise of photon-excited electron-hole pairs in open multiterminal, multichannel chaotic dots. Coulomb interactions in the dot are treated self-consistently giving a gauge-invariant expression for the finite frequency correlations. The Coulomb interactions decrease the noise; the strong interaction limit coincides with the noninteracting adiabatic limit. Inelastic scattering and dephasing in the dot are described by voltage and dephasing probe models, respectively. We find that dephasing leaves the noise invariant, but inelastic scattering decreases correlations eventually down to zero.

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DO - 10.1103/PhysRevB.72.161302

M3 - Article

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JO - Physical Review B (Condensed Matter and Materials Physics)

JF - Physical Review B (Condensed Matter and Materials Physics)

IS - 16

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Shot noise of photon-excited electron-hole pairs in open quantum dots

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Subject classification (UKÄ)

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