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Oscillator strengths of dark charged excitons at low electron filling factors

Schüller, Christian and Broocks, K.-B. and Heyn, Ch. and Heitmann, Detlef (2002) Oscillator strengths of dark charged excitons at low electron filling factors. Physical Review B (PRB) 65; 4 , 081301.

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Other URL: http://link.aps.org/doi/10.1103/PhysRevB.65.081301


Abstract

By direct absorption spectroscopy and comparison to photoluminescence (PL), we investigate negatively charged excitons in dilute two-dimensional electron systems at temperatures down to T = 40 mK in the regime of the fractional quantum Hall effect. At very low temperatures, for filling factor nu<1/3, an additional excitation appears in the PL spectrum, between the well-known singlet and triplet ...

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Item Type:Article
Date:29 July 2002
Institutions:Physics > Institute of Experimental and Applied Physics > Chair Professor Lupton > Group Christian Schüller
Identification Number:
ValueType
10.1103/PhysRevB.65.081301DOI
Keywords:aluminium compounds, gallium arsenide, semiconductor quantum wells, III-V semiconductors, oscillator strengths, excitons, photoluminescence, light absorption, two-dimensional electron gas, quantum Hall effect, triplet state
Subjects:500 Science > 530 Physics
Status:Published
Refereed:Unknown
Created at the University of Regensburg:Unknown
Owner: Martin Kaiser
Deposited On:21 Sep 2009 07:17
Last Modified:13 Mar 2014 11:01
Item ID:9496
Owner Only: item control page
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