[a, a+]=1
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- Small particles in the quantum world are... : actually particles, but look like waves actually waves, even though they look like particles are both waves and particles at the same time my brain hurts and I'm taking an L on this one. I'm out.[QUANTUM MECHANICS - FINITE POTENTIAL BARRIER]18. In differential form, what is the kinetic energy operator equal to? Does this depend on the problem that you are solving in quantum mechanics? What is the eigenvalue spectrum for this operator?