The IWOP Method of Normally Ordering Multimode Exponential Operators |
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Authors: | Luo-Yu FENG |
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Affiliation: | Department of Physics, Southeast University, Nanjing 210018, China |
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Abstract: | This paper states that the technique of integration within ordered product (IWOP) provides us with a generally effective approach to normally ordering multimode exponential operators. In fact, all the operators listed in Ref. [5] can be normally ordered by virtue of IWOP, in contrast to the comment of Ref. [5]. |
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