真空投影算符的三种基本排序形式及应用
收稿日期: 2018-08-28
修回日期: 2018-12-27
网络出版日期: 2019-06-10
基金资助
安徽省高等学校省级质量工程项目( 2016gxk133)资助
Three kinds of ordering formulas for vacuum projection operators and their applications
Received date: 2018-08-28
Revised date: 2018-12-27
Online published: 2019-06-10
张春早, 任刚, 范洪义 . 真空投影算符的三种基本排序形式及应用[J]. 大学物理, 2019 , 38(5) : 5 . DOI: 10.16854 /j.cnki.1000-0712.180476
ordered- and Weyl ordered-forms,are derived systematically and concisely. It is further deduced that
many more operator identities play important roles in calculating various physical quantities.
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