A Single Atom Transistor in a 1D Optical Lattice

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We propose a scheme utilising a quantum interference phenomenon to switch the transport of atoms in a 1D optical lattice through a site containing an impurity 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 single-shot quantum non-demolition measurement of the qubit spin.
RevTeX 4, 5 Figures, 4 Pages

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Quantum Physics, Soft Condensed Matter

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http://salesiana.dossiersoluciones.com/handle/123456789/215833

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/quant-ph/0406020
 http://arxiv.org/abs/quant-ph/0406020
 Phys. Rev. Lett. 93, 140408 (2004)
 doi:10.1103/PhysRevLett.93.140408

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arXiv