Consider the wave function where n is some positive integer. This function is purely sinusoidal (with wavelength

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Consider the wave function

where n is some positive integer. This function is purely sinusoidal (with wavelength λ) on the interval -nλ < x 2 and |Φ (p,0)|2, and determine their widths ωx, and ωp (the distance between zeros on either side of the main peak). Note what happens to each width as n → ∞. Using ωx, and ωp as estimates of Δx and Δp, check that the uncertainty principle is satisfied. Warning: If you try calculating σp, you’re in for a rude surprise. Can you diagnose the problem?

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Introduction To Quantum Mechanics

ISBN: 9781107189638

3rd Edition

Authors: David J. Griffiths, Darrell F. Schroeter

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