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1·In the past twenty years, owing to the discovery of Berry's geometrical phase in 1984, a lot of efforts have been made on quantal adiabatic theorem and geometrical phase.

由于1984年Berry几何相的发现，在过去的二十年中，人们在几何相和量子绝热定理方面作了大量的工作。

2·A quantal system with Hamiltonian which varies adiabatically with time obeys the adiabatic theorem, but the state of the system is not a stationary state having the stable property.

哈密顿量随时间绝热改变的量子系统遵循绝热定理，但系统波函数不具有定态的稳定性质，它们不是定。

量子的

1·A quantal system with Hamiltonian which varies adiabatically with time obeys the adiabatic theorem, but the state of the system is not a stationary state having the stable property.

哈密顿量随时间绝热改变的量子系统遵循绝热定理，但系统波函数不具有定态的稳定性质，它们不是定。