4.8 a. Assuming that the Hamiltonian is invariant under time reversal, prove that the wave function for a spinless nondegenerate system at any given instant of time can always be chosen to be real. b. The wave function for a plane wave state at t=0 is given by a complex function e/px/. Why does this not violate time-reversal invariance?
4.8 a. Assuming that the Hamiltonian is invariant under time reversal, prove that the wave function for a spinless nondegenerate system at any given instant of time can always be chosen to be real. b. The wave function for a plane wave state at t=0 is given by a complex function e/px/. Why does this not violate time-reversal invariance?
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Transcribed Image Text:4.8 a. Assuming that the Hamiltonian is invariant under time reversal, prove that the
wave function for a spinless nondegenerate system at any given instant of time
can always be chosen to be real.
b. The wave function for a plane wave state at t=0 is given by a complex function
e/px/h. Why does this not violate time-reversal invariance?
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