Quantum mechanic: theoretical physics

5.*) Disturbance Theory: One-Dimensional Harmonic Oscillator Consider the Hamiltonian operator H, consisting of the undisturbed Hamiltonian operator H and perturbation H'. H = Hot H' , Ho =-+kx] , H'= kx En ~ E,") + ED) + E,?). Calculate the energies perturbatively up to the second order: E_n =... Calculate the energies perturbatively up to second order