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Sigmund Kohler |
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Shot noise in spin pumpsRafael Sánchez, Franz J. Kaiser, Sigmund Kohler, Peter Hänggi, and Gloria PlateroPhysica E 40, 1276 (2008) We study the noise properties of a double quantum dot driven by an AC electric field that pumps electrons between two unbiased leads. In the presence of a static magnetic field, it is possible to tune the gate voltage such that the resulting current consists mainly of spin-polarized electrons. We find that for particular driving amplitudes, the current is quenched and possesses super-Poissonian shot noise. |
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last modified: 11.5.2026 by
Sigmund Kohler