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Effect of Entanglement on Geometric Phase for Multi-Qubit States

Abstract:

When a multi-qubit state evolves under local unitaries it may obtain a geometric phase, a feature dependent on the geometry of the state projective Hilbert space. A correction term to this geometric phase, in addition to the local subsystem phases, may appear from correlations between the subsystems. We find that this correction term can be characterized completely either by the entanglement or by the classical correlations for several classes of entangled state. States belonging to the forme...

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Publication status:
Published

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Publisher copy:
10.1142/S1230161209000244

Authors


Williamson, MS More by this author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Atomic and Laser Physics
Volume:
16
Issue:
2-3
Pages:
305-323
Publication date:
2009-09-05
DOI:
EISSN:
1793-7191
ISSN:
1230-1612
URN:
uuid:1cb43cbe-8869-46b4-a96f-497a860530d8
Source identifiers:
158539
Local pid:
pubs:158539

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