A1 Refereed original research article in a scientific journal
Optimal covariant measurements: the case of a compact symmetry group and phase observables
Authors: Carmeli C, Heinosaari T, Pellonpaa JP, Toigo A
Publisher: IOP PUBLISHING LTD
Publication year: 2009
Journal:Journal of Physics A: Mathematical and Theoretical
Journal name in sourceJOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL
Journal acronym: J PHYS A-MATH THEOR
Article number: ARTN 145304
Volume: 42
Issue: 14
Number of pages: 18
ISSN: 1751-8113
DOI: https://doi.org/10.1088/1751-8113/42/14/145304
Abstract
We study various optimality criteria for quantum observables. Observables are represented as covariant positive operator valued measures and we consider the case when the symmetry group is compact. Phase observables are examined as an example.
We study various optimality criteria for quantum observables. Observables are represented as covariant positive operator valued measures and we consider the case when the symmetry group is compact. Phase observables are examined as an example.
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