{"title":"Effect of the free carrier concentration on the escape time of excitons in quantum devices","authors":"H. Cruz, A. Hernández-Cabrera, P. Aceituno","doi":"10.1109/WOFE.1997.621156","DOIUrl":null,"url":null,"abstract":"We have studied the effect of the electronic many-body interaction and of an external field on the tunneling escape rate in double barrier devices. Lifetimes of photoexcited excitons in quantum wells have been obtained at different carrier sheet densities by solving self-consistently the time dependent Schrodinger and Poisson equations. Results showed that the excitonic escape time is strongly affected by the area free carrier density in the quantum well.","PeriodicalId":119712,"journal":{"name":"1997 Advanced Workshop on Frontiers in Electronics, WOFE '97 Proceedings","volume":"183 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1997-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"1997 Advanced Workshop on Frontiers in Electronics, WOFE '97 Proceedings","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/WOFE.1997.621156","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
We have studied the effect of the electronic many-body interaction and of an external field on the tunneling escape rate in double barrier devices. Lifetimes of photoexcited excitons in quantum wells have been obtained at different carrier sheet densities by solving self-consistently the time dependent Schrodinger and Poisson equations. Results showed that the excitonic escape time is strongly affected by the area free carrier density in the quantum well.
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