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Introductory Physics Homework Help
Four lowest vibrational states of these ions
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[QUOTE="albertsmith, post: 2188572, member: 181901"] [h2]Homework Statement [/h2] [ATTACH=full]127339[/ATTACH] In most metals, the atomic ions form a regular arrangement called a crystal lattice. The conduction electrons in the sea of electrons move through this lattice. The figure (Intro 1 figure) is a one-dimensional model of a crystal lattice. The ions have mass m , charge e , and an equilibrium separation b. [h2]Homework Equations[/h2] Suppose this crystal consists of aluminum ions with an equilibrium spacing of 0.30nm. What are the energies of the four lowest vibrational states of these ions? [h2]The Attempt at a Solution[/h2] well i thought separation equilibrium = (h bar/mw)^0.5 from this i got the w angular frequency and then i use the vibrational formula (n-1)h bar * w i got these first four vibrational states 0.42ev,1.30ev,2,1ev,2,9ev but i got it wrong can anybody tell what i did wrong please thanks [/QUOTE]
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Four lowest vibrational states of these ions
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