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研究了二维不对称谐振子的相干态在附加八极形变势作用下传播时，量子正则变量的期望值和测不准度的变化，发现量子混沌与相应的经典混沌完全对应地表现了多种性质．量子混沌的特征也与势能面的几何对称性，即势能面上负曲率的存在及负曲率的大小有关系．
We study the expectation and uncertainty of quantum regular variables when the coherent state of two-dimensional asymmetric oscillator propagates under the influence of the additional octupole. It is found that the quantum chaos and the corresponding classical chaos completely correspond to each other nature. The characteristics of quantum chaos are also related to the geometric symmetry of the potential energy surface, that is, the existence of the negative curvature on the potential energy surface and the magnitude of the negative curvature.