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Robust implementations of quantum repeaters

Abstract:

We show how to efficiently exploit decoherence free subspaces (DFSs), which are immune to collective noise, for realizing quantum repeaters with long-lived quantum memories. Our setup consists of an assembly of simple modules and we show how to implement them in systems of cold, neutral atoms in arrays of dipole traps. We develop methods for realizing robust gate operation on qubits encoded in a DFS using collisional interactions between the atoms. We also give a detailed analysis of the perf...

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

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Publisher copy:
10.1103/PhysRevA.73.012332

Authors


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Institution:
University of Oxford
Research group:
Dieter Jaksch Theory Group
Department:
Mathematical,Physical & Life Sciences Division - Physics
More by this author
Institution:
University of Oxford
Research group:
Dieter Jaksch Theory Group
Department:
Mathematical,Physical & Life Sciences Division - Physics
More by this author
Institution:
University of Oxford
Research group:
Dieter Jaksch Theory Group
Department:
Mathematical,Physical & Life Sciences Division - Physics
More by this author
Institution:
University of Oxford
Research group:
Dieter Jaksch Theory Group
Department:
Mathematical,Physical & Life Sciences Division - Physics
More from this funder
Funding agency for:
Alexander Klein
European Union More from this funder
Publisher:
American Physical Society Publisher's website
Journal:
Physical Review A Journal website
Volume:
73
Issue:
1
Pages:
Article: 012332
Publication date:
2006-01-05
DOI:
EISSN:
1094-1622
ISSN:
1050-2947
URN:
uuid:4f444dfc-2e19-4d0c-ab05-be735e250791
Local pid:
ora:1771

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