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

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

2005-07-14

arxiv.org/abs/cond-mat/0507336v2

Phys. Rev. B 72, 161302(R) (2005)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 1 figure; minor changes, 3 references added

Scientific paper

10.1103/PhysRevB.72.161302

We investigate shot noise of photon-excited electron-hole pairs in open multi-terminal, multi-channel 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 non-interacting 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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