Fractional Quasiexcitons in Photoluminescence of Quantum Hall Liquids |
| A. Wójs a,b, A. Gładysiewicza and J.J. Quinnb
aWrocław University of Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland bUniversity of Tennessee, Knoxville, Tennessee 37996, USA |
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| Received: 4 06 2005; |
| Realistic calculations of photoluminescence spectra for a 20 nm quantum well at a filling factorν=1/3 are presented. The new states formed from charged excitons (trions) by correlation with the surrounding electrons are identified. These "quasiexcitons" differ from usual excitons and trions by having fractionally charged constituents. Their binding energies and emission intensities depend on the involved trion, leading to discontinuity in photoluminescence. |
| DOI: 10.12693/APhysPolA.108.923 PACS numbers:71.35.Pq, 71.35.Ji, 73.43.-f, 71.10.Pm |