Quantum Mechanics Spin States
A position state or momentum eigenstate is just a ONE DIMENSIONAL (or 3 d) PROJECTION of the INFINITE state vector in Hilbert Space.
No one representation carries any more ‘physical meaning’ than another. Same reality – regardless of the representation.
There are no pure states, only density matrices
What is the Hamiltonian of the System?
What are the eigenstates (stationary solutions) for the Hamiltonian above?
What is the TIME DEPENDENCE of the states?
What are PRODUCT States?
What are Product OPERATORS?
What are INNER products and OUTER Products?
Inner product – amount of OVERLAP between two states
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