Physics · Quantum Mechanics
A system having Hamiltonian Ĥ follows the eigenvalue equation, Ĥψn = Enψn, with En = n + 12. If the state of the system is prepared as ψ = N(ψ1 + ψ2 + ψ3 - ψ4 - ψ5), where N is the normalization constant, then the expectation value of energy ⟨E⟩ is:
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3.5
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