Renormalization of effective mass in self-assembled quantum dots due to electron-electron interactions

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DOIResolve DOI: http://doi.org/10.1088/1742-6596/456/1/012002
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TypeArticle
Proceedings titleJournal of Physics: Conference Series
Conference20th International Conference on the Application of High Magnetic Fields in Semiconductor Physics, HMF 2012, 22 July 2012 through 27 July 2012, Chamonix Mont Blanc
ISSN1742-6588
Volume456
Issue1
Article number12002
SubjectCyclotron-effective mass; Effective mass; Emission lines; Energy splittings; Renormalization; Self assembled quantum dots; Single particle; Single quantum dot; Electron-electron interactions; Magnetic fields; Semiconductor quantum dots
AbstractMagnetic-field dispersion of the multiexcitons related to the p shell of a single quantum dot (QD) is analysed in this work. The reduced cyclotron effective mass of carriers is determined from the energy splitting between the p+-and p - related multiexcitonic emission lines. The reduced mass in the occupied QD was found to be larger than the mass related to the QD's single particle structure. The apparent increase of the reduced mass with increasing excitonic occupation of the dot is related to the mass renoralization due to electron-electron interactions within a multiexcitonic droplet. © Published under licence by IOP Publishing Ltd.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC); Security and Disruptive Technologies; Information and Communication Technologies
Peer reviewedYes
NPARC number21271814
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Record identifier610acbb7-cc28-4e7c-b0b1-d07eab217b3e
Record created2014-04-22
Record modified2016-05-09
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