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EPL Association, European Physical Society Letters, 3(66), p. 405-411

DOI: 10.1209/epl/i2004-10009-9

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Dynamical spin-blockade in a quantum dot with paramagnetic leads

Journal article published in 2004 by Audrey Cottet ORCID, Wolfgang Belzig
This paper is available in a repository.
This paper is available in a repository.

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Abstract

We investigate current fluctuations in a three-terminal quantum dot in the sequential tunneling regime. Dynamical spin blockade can be induced when the spin-degeneracy of the dot states is lifted by a magnetic field. This results in super-Poissonian shot noise and positive zero-frequency cross-correlations. Our proposed setup can be realized with semiconductor quantum dots. ; Comment: 7 pages, 3 figures, final version, to appear in Europhys. Lett