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## Main Question or Discussion Point

so H(psi) = E(psi) is the schrodinger equation such that psi is the eigen function of the hamiltonian operator, and since E is the eigen value of the hamiltonian, then this E is the measured E. This is what i understand so far, and i am building on this here. All psi must be eigen function of energy (by default). But the kinetic energy eigen function has to be a sinusoid (since it is only a sinusoid that will give the eigen value equation) and for momentum it is the complex exponential. Ok. But what if psi is not the eigen function for either the kinetic energy or momentum, does that mean that momentum is not measurable?

Sorry, i still dont know latex

Sorry, i still dont know latex