Dynamics of charged excitons in GaAs quantum wells under high magnetic field

Journal Article (Journal Article)

We report on time-resolved photoluminescence studies of charged and neutral excitons in a modulation doped GaAs quantum well under resonant excitation and high magnetic field. The radiative lifetime of the charged exciton is rather short, 60 ps at zero field, and is found to increase by a factor of ∼2 up to 7 T. The short lifetimes suggest that, under magnetic field, the exciton bound in the trion is delocalized. © 1998 Elsevier Science B.V. All rights reserved.

Full Text

Duke Authors

Cited Authors

  • Ciulin, V; Finkelstein, G; Haacke, S; Ganière, JD; Umansky, V; Bar-Joseph, I; Deveaud, B

Published Date

  • December 2, 1998

Published In

Volume / Issue

  • 256-258 /

Start / End Page

  • 466 - 469

International Standard Serial Number (ISSN)

  • 0921-4526

Digital Object Identifier (DOI)

  • 10.1016/S0921-4526(98)00582-1

Citation Source

  • Scopus