Excitonic Photoluminescence in Semiconductor Quantum Wells: Plasma versus Excitons
arXiv:cond-mat/0309160 · doi:10.1103/PhysRevLett.92.067402
Abstract
Time-resolved photoluminescence spectra after nonresonant excitation show a distinct 1s resonance, independent of the existence of bound excitons. A microscopic analysis identifies excitonic and electron-hole plasma contributions. For low temperatures and low densities the excitonic emission is extremely sensitive to even minute optically active exciton populations making it possible to extract a phase diagram for incoherent excitonic populations.
9 pages, 4 figures
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Cited by in corpus (25)
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