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Experimentally testable geometric phase of sequences of Everett's relative quantum states
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Physical Chemistry, Quantum Chemistry. (Quantum information theory)
2009 (English)In: Europhysics letters, ISSN 0295-5075, E-ISSN 1286-4854, Vol. 86, 30005- p.Article in journal (Refereed) Published
Abstract [en]

Everett's concept of relative state is used to introduce a geometric phase that depends nontrivially on entanglement in a pure quantum state. We show that this phase can be measured in multiparticle interferometry. A correlation-dependent generalization of the relative state geometric phase to mixed quantum states is outlined.

Place, publisher, year, edition, pages
2009. Vol. 86, 30005- p.
Keyword [en]
Geometric phase, quantum entanglement, correlations, relative states, Gaussian states
National Category
Physical Sciences
Research subject
Physics
Identifiers
URN: urn:nbn:se:uu:diva-103835DOI: 10.1209/0295-5075/86/30005ISI: 000266427700005OAI: oai:DiVA.org:uu-103835DiVA: diva2:218827
Available from: 2009-05-25 Created: 2009-05-25 Last updated: 2017-12-13

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Sjöqvist, Erik

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