Ultrafast Coherent Spectroscopy of the Fermi Edge Singularity

Details Ultrafast Coherent Spectroscopy of the Fermi Edge Singularity Ultrafast Coherent Spectroscopy of the Fermi Edge Singularity

1999-06-24

arxiv.org/abs/cond-mat/9906368v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Conference paper (13 EP2DS)

Scientific paper

In this work we present a theoretical description of the transient response of the Fermi Edge Singularity (FES). We study the linear and the nonlinear response of an n-doped QW to laser pulses in the Coherent Control (CC) and Four Wave Mixing (FWM) Configurations. By means of a bosonization formalism we calculate the FWM signal emitted by the sample when it is excited by pulses spectrally peaked around the FES and we show that the long time behavior of the nonlinear signal is very similar to the linear case.

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