Kronig-Penney model (a) For the delta-function potential and with P < < 1, find at k =

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Kronig-Penney model

(a) For the delta-function potential and with P << 1, find at k = 0 the energy of the Lowest energy band.

(b) Fur the same problem find the band gap at k = π/a.

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Introduction to Solid State Physics

ISBN: 978-0471415268

8th Edition

Authors: Charles Kittel

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Question Posted: Jan 03, 2011 02:19 AM

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(a)For the delta-function potential and with P <<1, find at k=0 the energy of the lowest energy band (b) For the same problem find the band gap at k = pi/a
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Kronig-Penney model (a) For the delta-function potential and with P < < 1, find at k =

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a At k 0 the determinantal equation is PKa sin Ka cos Ka 1 In the limit of small positive P ...View the full answer

Introduction to Solid State Physics

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