Phonon renormalization effects in photoexcited quantum wires

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1995

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Abstract

We study the effects of screening on polaronic corrections to the effective band edge in a quasi-one-dimensional GaAs quantum wire. We find that the screening effects and finite well width considerably reduce the polaron energy and oppose the polaronic band-gap renormalization. We calculate the polaronic effective mass as a function of the carrier density and temperature. Effects of the vertex corrections to the conduction- and valence-band edges are also discussed. © 1995 The American Physical Society.

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Physical Review B

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American Physical Society

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Published Version (Please cite this version)

Language

English