- #1
sachi
- 75
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Hi, we have a particle in a potential. We are asked to state what information we need to have a well defined problem, and since the equations of motion are second order wrt time derivates we need to know the position of the particle initially and its velocity. We are then asked "in the quantum physics of one particle in a potential how much initial information do you have to give to have a well defined problem? Do we have to specify less or more in the quantum case?" I think in the quantum case we just need to know the the initial wavefunction. Does this mean we need to know less?
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