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Entanglement distillation by adiabatic passage in coupled quantum dots

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Fabian, Jaroslav ; Hohenester, Ulrich
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Date of publication of this fulltext: 05 Aug 2009 13:33


The adiabatic passage of two correlated electrons in three coupled quantum dots is shown to provide a robust and controlled way of distilling, transporting, and detecting spin entanglement, as well as measuring the rate of spin disentanglement. By employing tunable interdot coupling the scheme creates from an unentangled two-electron state, a superposition of spatially separated singlet and ...


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