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Off-diagonal mixed state phases in unitary evolution
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics. Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Quantum Chemistry. Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Physical and Analytical Chemistry, Quantum Chemistry.
Institut für Theoretische Physik, TU-Wien, Austria.
2003 (English)In: Foundations of probability and physics - 2, 2003, 545-555 p.Conference paper, Published paper (Other academic)
Abstract [en]

Off-diagonal mixed state phases based upon a concept of orthogonality adapted to unitary evolution and a proper normalisation condition are introduced. Some particular instances are analysed and parallel transport leading to the off-diagonal mixed state geometric phase is delineated. A complete experimental realisation of the off-diagonal mixed state geometric phases in the qubit case using polarisation-entangled two-photon interferometry is proposed.

Place, publisher, year, edition, pages
2003. 545-555 p.
Series
Mathematical modelling in physics, engineering and cognitive sciences
Keyword [en]
Geometric phase, mixed states, quantum interferometry
National Category
Physical Sciences
Research subject
Physics
Identifiers
URN: urn:nbn:se:uu:diva-47176ISBN: 91-7636-371-6 (print)OAI: oai:DiVA.org:uu-47176DiVA: diva2:75083
Conference
Proceedings of the conference Foundations of Probability and Physics - 2, Växjö (Smoland), Sweden, June 2-7, 2002
Available from: 2006-12-18 Created: 2006-12-18 Last updated: 2012-05-29Bibliographically approved

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quant-ph/0212111

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Sjöqvist, Erik

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