N-particle scattering matrix for electrons interacting on a quantum dot |
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Authors: | Lebedev A V Lesovik G B Blatter G |
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Institution: | Theoretische Physik, Schafmattstrasse 32, ETH-Zurich, CH-8093 Zürich, Switzerland. |
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Abstract: | We present a nonperturbative expression for the scattering matrix of N particles interacting inside a quantum dot. Characterizing the dot by its resonances, we find a compact form for the scattering matrix in a real-time representation. We study the transmission probabilities and interaction-induced orbital entanglement of two electrons incident on the dot in a spin-singlet state. |
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