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The multi-mode Bose quadratic polynomial system (MBQPS) is studied. The normal, anti-normal, Wigner characteristic functions, P-representation and Q-representation of MBQPS are presented by utilizing the general theory of linear quantum transformation of multi-mode Bose system. And as a example, its quantum squeezed characteristics are studied.
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Keywords:
- multi-mode Bose quadratic polynomial system /
- characteristic functions /
- quasi-probability distribution functions
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