双模压缩数态及参量放大器中的压缩对称性 |
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引用本文: | 张云波 刘文森. 双模压缩数态及参量放大器中的压缩对称性[J]. 光学学报, 1996, 16(1): 8-73 |
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作者姓名: | 张云波 刘文森 |
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作者单位: | 山西大学物理系,中国科学院物理研究所 |
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摘 要: | 得到了参量放大器哈密顿量与广义双模压缩算符共同本征的双模压缩数态。提出了压缩荷与压缩对称性的概念来解释哈密顿量在由广义压缩算符生成的一维么正群变换下的不变性。
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关 键 词: | B-V变换 双模压缩数态 压缩对称性 压缩荷 |
收稿时间: | 1994-12-05 |
Two-Mode Squeezed Number States and Squeeze Symmetry in the Two-Mode Parametric Amplifier |
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Abstract: | The two-mode squeezed number states as the common eigenstates of the parametric amplifier Hamiltonian and the generalized two-mode squeeze operator are found. The concepts of the squeeze charge and the squeeze symmetry are introduced to explain the invariance of the Hamiltonian in the transformation of the one dimensional unitary group generated by the generalized squeeze operator. |
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Keywords: | Bogoliubov-Valatin transformation two-mode squeezed number states squeeze symmetry squeeze charge |
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