Number-Phase Uncertainty Relation
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- Kitajima Sachiko
- Graduate School of Humanities and Sciences and Department of Physics, Faculty of Science, Ochanomizu University
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- Shingu-Yano Mayumi
- Graduate School of Humanities and Sciences and Department of Physics, Faculty of Science, Ochanomizu University
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- Shibata Fumiaki
- Graduate School of Humanities and Sciences and Department of Physics, Faculty of Science, Ochanomizu University
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Abstract
Number-phase uncertainty relation is examined on the basis of an orthogonal phase state and a quasi-probability function. The measure of number fluctuation is not the usual standard deviation but a kind of Fisher information. This is a direct generalization to a discrete system of the corresponding quantity used recently by Hall in a theory of uncertainty for a coordinate-momentum system. It is essential to separate the “classical” part of a phase operator with the aid of the orthogonal phase state.
Journal
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- Journal of the Physical Society of Japan
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Journal of the Physical Society of Japan 72 (9), 2133-2136, 2003
THE PHYSICAL SOCIETY OF JAPAN
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Details 詳細情報について
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- CRID
- 1390001204187413376
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- NII Article ID
- 210000104404
- 110001974294
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- NII Book ID
- AA00704814
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- BIBCODE
- 2003JPSJ...72.2133K
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- ISSN
- 13474073
- 00319015
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- NDL BIB ID
- 6684742
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed