Single atom transistor in a 1D optical lattice

We propose a scheme utilizing a quantum interference phenomenon to switch the transport of atoms in a 1D optical lattice through a site containing an inpurity atom. The impurity represents a qubit which in one spin state is transparent to the probe atoms, but in the other acts as a single atom mirro...

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Váldodahkkit: Micheli, A, Daley, A, Jaksch, D, Zoller, P
Materiálatiipa: Journal article
Giella:English
Almmustuhtton: American Physical Society 2004
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Čoahkkáigeassu:We propose a scheme utilizing a quantum interference phenomenon to switch the transport of atoms in a 1D optical lattice through a site containing an inpurity atom. The impurity represents a qubit which in one spin state is transparent to the probe atoms, but in the other acts as a single atom mirror. This allows a singe-shot quantum nondemolition measurement of the qubit spin.