Physics – Quantum Physics
Scientific paper
2009-02-23
Phys. Rev. A 79, 052119 (2009)
Physics
Quantum Physics
15 pages, 1 figure
Scientific paper
We illustrate the use of the statistical method of moments for determining the position and momentum distributions of a quantum object from the statistics of a single measurement. The method is used for three different, though related, models; the sequential measurement model, the Arthurs-Kelly model and the eight-port homodyne detection model. In each case, the method of moments gives the position and momentum distribution for a large class of initial states, the relevant condition being the exponential boundedness of the distributions.
Kiukas Jukka
Lahti Pekka
Schultz Jussi
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