Introduction To Quantum Mechanics
Introduction To Quantum Mechanics
3rd Edition
ISBN: 9781107189638
Author: Griffiths, David J., Schroeter, Darrell F.
Publisher: Cambridge University Press
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Chapter 8.1, Problem 8.6P

(a)

To determine

To prove that first order non-degenerate perturbation theory overestimates ground state energy.

(b)

To determine

Whether the second order correction is negative always to the ground state energy.

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