Canonical coherent-state representation of some squeeze operators

Canonical coherent-state representation of some squeeze operators
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DOI:
10.1088/0305-4470/21/14/003
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发表时间:
1988-07
期刊:
Journal of Physics A
影响因子:
--
通讯作者:
F. Hong-yi;J. Klauder
F. Hong-yi;J. Klauder
中科院分区:
其他
文献类型:
--
作者:
F. Hong-yi;J. Klauder

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使用IWOP技术(集成内的有序产品),作者发现规范的相干态表示的两种挤压运营商。这些表象清楚地表明,它们是在坐标-动量相空间中通过某种辛变换而成的量子映射。根据这种形式,很容易得到参量放大器的相干态传播子。
Using the IWOP technique (integration within an ordered product), the authors find canonical coherent-state representations of two kinds of squeeze operators. These representations manifestly show that they are quantum maps imaged by certain symplectic transformations in coordinate-momentum phase space. In terms of this formalism the coherent-state propagator of parametric amplifiers is easily obtained.