Noise at a Fermi-edge singularity

Details Noise at a Fermi-edge singularity Noise at a Fermi-edge singularity

2006-09-28

arxiv.org/abs/cond-mat/0609738v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Scientific paper

We present noise measurements of self-assembled InAs quantum dots at high magnetic fields. In comparison to I-V characteristics at zero magnetic field we notice a strong current overshoot which is due to a Fermi-edge singularity. We observe an enhanced suppression in the shot noise power simultaneous to the current overshoot which is attributed to the electron-electron interaction in the Fermi-edge singularity.

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