Covariant Phase Observables in Quantum Mechanics
Pysyvä osoite
Verkkojulkaisu
DOI
Tiivistelmä
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 describe realistic direct coherent state phase measurements such as the phase measurement schemes based on eight-port homodyne detection or heterodyne detection.
The structure of covariant operator measures and, more generally, covariant sesquilinear form measures is analyzed in this work. Four different characterizations for phase shift covariant normalized positive operator measures are presented. The canonical covariant operator measure is definded and its properties are studied. Finally, some other suggested phase theories are introduced to investigate their connections to the covariant sesquilinear form measures.
Kuvaus
Siirretty Doriasta
Sarja
Turun yliopiston julkaisuja. Sarja AI, Chemica - Physica – Mathematica|288
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