Normal and Anti-Normal Ordering Method of Field Operators

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发表日期：

2025年

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Hongyi Fan,
Liyun Hu

摘要

When discussing the properties of light fields, the proper ordering of field operators can reveal the true faces of the fields [1, 2]. When calculating the expected value of an operator in the coherent state, it is often necessary to use the normal ordering product of this operator.

When discussing the properties of light fields, the proper ordering of field operators can reveal the true faces of the fields&#xa0;[1, 2]. When calculating the expected value of an operator in the coherent state, it is often necessary to use the normal ordering product of this operator.

Normal and Anti-Normal Ordering Method of Field Operators

摘要

When discussing the properties of light fields, the proper ordering of field operators can reveal the true faces of the fields [1, 2]. When calculating the expected value of an operator in the coherent state, it is often necessary to use the normal ordering product of this operator.