Moving beyond a simple model of luminescence rings in quantum well structures

D. Snoke*, S. Denev, Y. Liu, S. Simon, R. Rapaport, G. Chen, L. Pfeiffer, K. West

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

The dramatic appearance of luminescence rings with radius of several hundred microns in quantum well structures can be understood through a fairly simple nonlinear model of the diffusion and recombination of electrons and holes in a driven nonequilibrium system. The ring corresponds to the boundary between a positive hole gas and a negative electron gas in steady state. While this basic effect is now well understood, we discuss several other experimental results which cannot be explained by this simple model.

Original languageAmerican English
Pages (from-to)S3621-S3627
JournalJournal of Physics Condensed Matter
Volume16
Issue number35
DOIs
StatePublished - 8 Sep 2004
Externally publishedYes

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