(a) Use a trial wave function of the form to obtain a bound on the ground state...
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(a) Use a trial wave function of the form
to obtain a bound on the ground state energy of the one-dimensional harmonic oscillator. What is the “best” value of a? Compare (H)min with the exact energy. Note: This trial function has a “kink” in it (a discontinuous derivative) at ±a/2; do you need to take account of this, as I did in Example 8.3?
(b) Use Ψ(x) = B Sin (πx/a) on the interval (-a,a) to obtain a bound on the first excited state. Compare the exact answer.
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Related Book For
Introduction To Quantum Mechanics
ISBN: 9781107189638
3rd Edition
Authors: David J. Griffiths, Darrell F. Schroeter
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