Physics · Quantum Mechanics

An electron in a hydrogen atom is exposed to a perturbation V = V 0 r cos φ. The first-order correction to the ground-state energy of the electron is:

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4V 0 /15a

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An electron in a hydrogen atom is exposed to a perturbation V = V 0 r cos &phi;. The first-order correction to the ground-state energy of the electron is: