量子光学学报, 2019, 25 (3): 247, 网络出版: 2019-09-27  

量子光学中双变量厄密多项式的来源和应用

The Origin of Bivariate Hermite Polynomials and Its Applications in Quantum Optics
作者单位
1 中国科学技术大学 近代物理系,安徽 合肥 230026
2 中国科学技术大学 材料科学与工程系,安徽 合肥 230026
摘要
本文从量子光学的方法来引出双变量厄密多项式, 即用Fock空间中光子的产生算符和消灭算符不对易性,[a,a*]=1,说明双变量厄密多项式的来源并用它简捷明了地表述若干基本算符的排序恒等式。我们用有序算符内的积分理论(IWOP技术)讨论双变量厄密多项式的正交性和完备性,并指出双模厄密多项式在求正规乘积算符的P-表示中的应用。
Abstract
We introduce the bivariate Hermite polynomials Hmn on quantum optics theory,using [a,a*]=1.We explain the origin of Hmn and derive some operator identities involving Hmn. By virtue of the IWOP method we prove the orthogonal and completeness of Hmn, and using Hmn we derive the P-representation of normal ordered operators.
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尹鹏程, 张鹏飞, 范洪义. 量子光学中双变量厄密多项式的来源和应用[J]. 量子光学学报, 2019, 25(3): 247. YIN Peng-cheng, ZHANG Peng-fei, FAN Hong-yi. The Origin of Bivariate Hermite Polynomials and Its Applications in Quantum Optics[J]. Acta Sinica Quantum Optica, 2019, 25(3): 247.

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