Exciton mixing in a wide GaAs/AlAs quantum well in weak and intermediate magnetic fields

Y. Iimura, Y. Segawa, G. E.W. Bauer, M. M. Lin, Y. Aoyagi, S. Namba

Research output: Contribution to journalArticlepeer-review

22 Citations (Scopus)

Abstract

Excitation spectra of a high-quality wide GaAs/AlAs quantum well have been measured in a magnetic field up to 6 T. The spectra are distinguished by a complicated fine structure which depends strongly on magnetic field. By comparing the results with theoretical calculations which take into account exciton-mixing effects, most of the peaks observed in the spectra can be assigned. The high-resolution spectra of a selected anticrossing clearly indicate that a complicated many-exciton-mixing model is essential to explain the excitation spectra of wide quantum wells.

Original languageEnglish
Pages (from-to)1478-1481
Number of pages4
JournalPhysical Review B
Volume42
Issue number2
DOIs
Publication statusPublished - 1990
Externally publishedYes

ASJC Scopus subject areas

  • Condensed Matter Physics

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