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The Normal- and Antinormal-Ordered Decomposition Formulas of Multimode Exponential Operators |
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| Authors: | SONG Tong-Qiang FENG Jian and GAO Yun-Feng |
| Institution: | 1. Department of Physics, Ningbo University, Ningbo 315211, Zhejiang Province, China ;2. Department of Communication Engineering, Liaocheng Teacher's College, Liaocheng 252059, Shangdong Province, China ;3. Department of Education Engineering, Liaocheng Teacher's College, Liaocheng 252059, Shangdong Province, China |
| Abstract: | We obtain the normally ordered form of the general multimode exponential operator by means of parameter differentiation method and its antinormally ordered form by virtue of the technique of integration within an ordered product of operators. As an application, we obtain a new completeness relation in n-mode Fock space. |
| Keywords: | multimode exponential operator ordered product of operators |
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