Nonclassical correlations of photon number and field components in the vacuum state
Physical Review A. Atomic, Molecular, and Optical Physics 62 巻 1 号
013806-1-013806-7 頁
2000-06-13 発行
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| ファイル情報(添付) | |
| タイトル ( eng ) |
Nonclassical correlations of photon number and field components in the vacuum state
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| 作成者 |
Kobayashi Takayoshi
Furusawa Akira
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| 収録物名 |
Physical Review A. Atomic, Molecular, and Optical Physics
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| 巻 | 62 |
| 号 | 1 |
| 開始ページ | 013806-1 |
| 終了ページ | 013806-7 |
| 抄録 |
It is shown that the quantum jumps in the photon number nˆ from zero to one or more photons induced by backaction evasion quantum nondemolition measurements of a quadrature component xˆ of the vacuum light field state are strongly correlated with the quadrature component measurement results. This correlation corresponds to the operator expectation value <xˆ nˆ xˆ > which is equal to one-fourth for the vacuum even though the photon number eigenvalue is zero. Quantum nondemolition measurements of a quadrature component can thus provide experimental evidence of the nonclassical operator ordering dependence of the correlations between photon number and field components in the vacuum state.
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| 言語 |
英語
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| 資源タイプ | 学術雑誌論文 |
| 出版者 |
American Physical Society
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| 発行日 | 2000-06-13 |
| 権利情報 |
Copyright (c) 2000 American Physical Society.
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| 出版タイプ | Version of Record（出版社版。早期公開を含む） |
| アクセス権 | オープンアクセス |
| 収録物識別子 |
[ISSN] 1094-1622
[DOI] 10.1103/PhysRevA.62.013806
[NCID] AA10764867
[DOI] http://dx.doi.org/10.1103/PhysRevA.62.013806
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