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Lars Kappei

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Related publications (2)

Please note that this is not a complete list of this person’s publications. It includes only semantically relevant works. For a full list, please refer to Infoscience.

Dynamics and coherent effects on high density plasmas in semiconductor nanostructures

This thesis work contains an experimental study of many-body and cooperative effects in quantum wells. Many-body effects prove important for an understanding of the physical and specifically optical properties of semiconductors. The Coulomb interaction bet ...

EPFL2005

Dynamics of trion formation in GaAs quantum wells

Benoît Marie Joseph Deveaud, François Morier-Genoud, Marcia Portella Oberli, Jean Berney, Lars Kappei

We show a double path mechanism for the formation of charged excitons (trions); they are formed through bi- and trimolecular processes. This directly implies that both negatively and positively charged excitons coexist in a quantum well, even in the absenc ...

2009