Detaching two single-mode squeezing operators from the two-mode squeezing operator |
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Authors: | Fan Hong-Yi and Da Cheng |
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Institution: | Department of Material Science and Engineering, University of Science and Technology of China, Hefei 230026, China |
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Abstract: | It has been common knowledge that the single-mode squeezing operator and the two-mode squeezing operator are independent of each other. However, in this work we find that after using the technique of integration within Q-ordering and P-ordering, we can detach two single-mode squeezing operators from the two-mode squeezing operator. In other words, we show that the two-mode squeezing operator can be split into a P-ordered two-mode squeezing operator (with a new squeezing parameter) and two single-mode squeezing operators (with another squeezing parameter). This tells us that the two-mode squeezing mechanism also involves some single-mode squeezing. |
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Keywords: | Ω-ordering and β-ordering single-mode and two-mode squeezing operators detaching |
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