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The Pegg-Barnett Formalism and Covariant Phase Observables

✍ Scribed by Lahti, Pekka; Pellonpää, Juha-Pekka

Book ID
120611406
Publisher
Royal Swedish Academy of Sciences
Year
2002
Tongue
English
Weight
137 KB
Volume
66
Category
Article
ISSN
0031-8949

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Covariant phase observables
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## Abstract Covariant phase observables constitute a simple solution of the quantum phase problem of a single‐mode optical field. They share three important properties: their range of values is the phase interval [0,2π), they are covariant under shifts generated by the number operator (which is nec

The problem with “The problem of the Peg
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✍ John A. Vaccaro; David T. Pegg; Stephen M. Barnett 📂 Article 📅 1999 🏛 Elsevier Science 🌐 English ⚖ 31 KB

## w Ž . x We show that the physically absurd state obtained by Vorontsov and Rembovsky Phys. Lett. A 254 1999 7 results from an unphysical choice of approximate phase measurement and not from the phase formalism itself as claimed. Thus their assertion that it is impossible to perform even an app