Some Unitary Operators Derived Using the Quantum State and Its Application |
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| Authors: | Yun-Hai Zhang Shi-Min Xu Xing-Lei Xu and Hong-Qi Li |
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| Institution: | (1) Department of Physics, Heze University, Heze, Shandong, 274015, People’s Republic of China;(2) Key Laboratory of Quantum Communication and Calculation, Heze University, Heze, Shandong, 274015, People’s Republic of China |
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| Abstract: | Some unitary operators are derived using quantum state by depending on the technique of integration within an ordered product
of operators, for example parity operator, displacement operator, squeezed operator, etc. The characteristics of these operators
are analyzed. Their unitary transformations play an essential role in some transformations. As applications, the dynamic problems
of the double momentum coupling harmonic oscillators are solved exactly. |
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| Keywords: | Unitary operators IWOP technique Quantum state |
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