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Developing the Deutsch-Hayden approach to quantum mechanics

Abstract:

The formalism of Deutsch and Hayden is a useful tool for describing quantum mechanics explicitly as local and unitary, and therefore quantum information theory as concerning a 'flow' of information between systems. In this paper we show that these physical descriptions of flow are unique, and develop the approach further to include the measurement interaction and mixed states. We then give an analysis of entanglement swapping in this approach, showing that it does not in fact contain either n...

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Publication status:
Published

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Publisher copy:
10.1088/1367-2630/9/5/135

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Atomic & Laser Physics
Role:
Author
Journal:
NEW JOURNAL OF PHYSICS More from this journal
Volume:
9
Issue:
5
Pages:
135-135
Publication date:
2007-05-18
DOI:
EISSN:
1367-2630
ISSN:
1367-2630
Language:
English
UUID:
uuid:09337772-08c6-4182-b823-0e8440cf7456
Local pid:
pubs:157918
Source identifiers:
157918
Deposit date:
2012-12-19

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