量子力学中的定态是什么？态叠加原理是指什么
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a staionary state is a condition at which the energy of a system is independent of time
a combination of states gives the function describing a new state which contains many entangled states and when the observer tries to detect it the state collapse to a subset of those entangled states and give the observable corresponding to that specific states.
a combination of states gives the function describing a new state which contains many entangled states and when the observer tries to detect it the state collapse to a subset of those entangled states and give the observable corresponding to that specific states.
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