Spin-dependent shot noise enhancement in a quantum dot
classification
❄️ cond-mat.mes-hall
keywords
noisequantumspin-dependentchannelsshotblockadecompetitioncorrelated
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The spin-dependent dynamical blockade was investigated in a lateral quantum dot in a magnetic field. Spin-polarized edge channels in the two-dimensional leads and the spatial distribution of Landau orbitals in the dot modulate the tunnel coupling of the quantum dot level spectrum. In a measurement of the electron shot noise we observe a pattern of super-Poissonian noise which is correlated to the spin-dependent competition between different transport channels.
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