Evolution and Generation of Dynamics of Two-Mode
Squeezed States of Time-Dependent Coupled Boson System |
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| Authors: | ZHANG Xue ZHENG Tai-Yu ZHENG Li |
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| Institution: | 1. Institute of Theoretical Physics, Northeast Normal University, Changchun 130000, China
;2. College of Information Science and Engineering, Dalian Polytechnic University, Dalian 116034, China |
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| Abstract: | The system of the Hamiltonian involving a driving part, a single mode part,
and a two-mode squeezed one and a two-mode coupled one is discussed using
the Lewis-Riesenfeld invariant theory. The time evolution operator is
obtained. When the initial state is a coherent state, the quantum fluctuation
of the system is calculated, and it is dependent on the squeezed part and
the two-mode coupled part, but not dependent on the driving one. |
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| Keywords: | two-mode squeezed states Lewis-Riesenfeld invariant theory time evolution operator |
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