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arXiv quant-ph/0003115quant-ph
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非线性代数的相干态在量子光学中的应用

Coherent States of Non-Linear Algebras:Application to Quantum Optics

V. SunilKumar, B. A. Bambah, R. Jagannathan, P. K. Panigrahi, V. Srinivasan

摘要:

我们提出了一个通用的统一的方法来寻找多项式变形代数,如二次和希格斯代数,这是相关的量子光学中的各种多光子过程的相干态。我们给出了将这些变形代数映射到适当的李代数的一般过程。这是用来,对于非紧的情况下,获得湮没算子相干态,通过寻找这些运营商的正则共轭。在Perelomov意义上的广义相干态也是从这个结构中得出的。这使我们能够明确地构建与各种量子光学系统相关的相干态。

英文摘要:

We present a general unified approach for finding the coherent states of polynomially deformed algebras such as the quadratic and Higgs algebras, which are relevant for various multiphoton processes in quantum optics. We give a general procedure to map these deformed algebras to appropriate Lie algebras. This is used, for the non compact cases, to obtain the annihilation operator coherent states, by finding the canonical conjugates of these operators. Generalized coherent states, in the Perelomov sense also follow from this construction. This allows us to explicitly construct coherent states associated with various quantum optical systems.

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