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Natural mode entanglement as a resource for quantum communication.

Abstract:

Natural particle-number entanglement resides between spatial modes in coherent ultracold atomic gases. However, operations on the modes are restricted by a superselection rule that forbids coherent superpositions of different particle numbers. This seemingly prevents mode entanglement being used as a resource for quantum communication. In this Letter, we demonstrate that mode entanglement of a single massive particle can be used for dense coding and quantum teleportation despite the supersele...

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Publication status:
Published

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Atomic and Laser Physics
Journal:
Physical review letters
Volume:
103
Issue:
20
Pages:
200502
Publication date:
2009-11-05
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:29735f6c-16c9-4138-a049-994c213a29c0
Source identifiers:
154661
Local pid:
pubs:154661
Language:
English

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