Off-diagonal mixed state phases in unitary evolution
Quantum Physics
2016-08-16 v1
Abstract
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.
Keywords
Cite
@article{arxiv.quant-ph/0212111,
title = {Off-diagonal mixed state phases in unitary evolution},
author = {Erik Sjöqvist and Stefan Filipp},
journal= {arXiv preprint arXiv:quant-ph/0212111},
year = {2016}
}
Comments
To appear in "Foundations of probability and physics - 2", ed. by A. Khrennikov; series "Math. Modelling in Physics, Engineering and Cognitive Sciences'' V\"axj\"o Univ. Press (2003) - requires sprocl.sty