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Imprecise measurements in quantum mechanics
(Annales Universitatis Turkuensis AI 344, 2006-01-14)
In this thesis the structure and properties of imprecise quantum measurements are investigated. The starting point for this investigation is the representation of a quantum observable as a normalized positive operator ...
Moment Operators of Observables in Quantum Mechanics, with Applications to Quantization and Homodyne Detection
(Annales Universitatis Turkuensis AI 380, 2008-01-19)
The questions studied in this thesis are centered around the moment operators of a quantum observable, the latter being represented by a normalized positive operator measure. The moment operators of an observable are ...
Covariant Phase Observables in Quantum Mechanics
(Annales Universitatis Turkuensis AI 288, 2002)
The aim of this thesis is to present a solution to the quantum phase problem of the single-mode optical field. The solution is based on the use of phase shift covariant normalized positive operator measures. These measures ...