- #1
FermiDIrac19
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I am trying to differentiate between states in a quantum system of graphene with open boundaries in one direction and periodic boundaries in the other direction.
The eigenstates have been simulated with the eigenenergies, but how would I proceed in calculating the expectation value of the momentum in x- and y- direction in order to deduce an angle associated with each eigenstate?
The eigenstates have been simulated with the eigenenergies, but how would I proceed in calculating the expectation value of the momentum in x- and y- direction in order to deduce an angle associated with each eigenstate?