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Single atom transistor in a 1D optical lattice

Abstract:
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.
Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's version

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Publisher copy:
10.1103/PhysRevLett.93.140408

Authors


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Institution:
"Institute for Quantum Optics and Quantum Information of the Austrian Academy of Sciences, Innsbruck, Austria", "University of Innsbruck"
Department:
Institute for Theoretical Physics
More by this author
Institution:
"Institute for Quantum Optics and Quantum Information of the Austrian Academy of Sciences, Innsbruck, Austria", "University of Innsbruck"
Department:
Institute for Theoretical Physics
More by this author
Institution:
University of Oxford
Research group:
Dieter Jaksch Theory Group
Department:
Mathematical,Physical & Life Sciences Division - Physics - Atomic & Laser Physics
More by this author
Institution:
"Institute for Quantum Optics and Quantum Information of the Austrian Academy of Sciences, Innsbruck, Austria", "University of Innsbruck"
Department:
Institute for Theoretical Physics
Austrian Science Foundation More from this funder
EU Networks More from this funder
Institute for Quantum Information More from this funder
Publisher:
American Physical Society Publisher's website
Journal:
Physical Review Letters Journal website
Volume:
93
Issue:
14
Pages:
Article: 140408
Publication date:
2004-10-05
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:49d3f76e-6ea3-433a-a5f4-84c873f1f81e
Local pid:
ora:1764

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