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Electronic Dephasing in the Quantum Hall Regime

Fromer, N. A., Schüller, Christian, Chemla, D. S., Shahbazyan, T. V., Perakis, I. E., Maranowski, K. and Gossard, A. C. (1999) Electronic Dephasing in the Quantum Hall Regime. Physical Review Letters (PRL) 83 (22), pp. 4646-4649.

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Other URL: http://link.aps.org/doi/10.1103/PhysRevLett.83.4646


By means of degenerate four-wave mixing (FWM), we investigate the quantum coherence of electron-hole pairs in the presence of a two-dimensional electron gas in modulation-doped GaAs-AlGaAs quantum wells in the quantum Hall effect regime. With increasing magnetic field, we observe a crossover from Markovian to non-Markovian behavior, as well as large jumps in the decay time of the FWM signal at ...


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Item type:Article
Date:20 August 1999
Institutions:Physics > Institute of Experimental and Applied Physics > Chair Professor Lupton > Group Christian Schüller
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Dewey Decimal Classification:500 Science > 530 Physics
Created at the University of Regensburg:Unknown
Item ID:9498
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