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TU Dresden » Faculty of Mechanical Science and Engineering » Institute for Materials Science » Chair of Materials Science and Nanotechnology



Wednesday, 18 January 2006
(at 12:30 in room Phy 8.1.09)
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Journal-Club
Positive cross correlations in a normal-conducting fermionic beam splitter

Thomas Geiger

Institut für Experimentelle und Angewandte Physik
Universität Regensburg
   






(From cond-mat/0510240): We investigate a beam splitter experiment implemented in a normal conducting fermionic electron gas in the quantum Hall regime. The cross-correlations between the current fluctuations in the two exit leads of the three terminal device are found to be negative, zero or even positive depending on the scattering mechanism within the device. Reversal of the cross-correlations sign occurs due to interaction between different edge-states and does not reflect the statistics of the fermionic particles which `antibunch'.



slides (pdf)

related paper (html)

Invited by G. Cuniberti, C. Strunk (JClub)

Within the Journal Club 52 478

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