Describe the similarities and differences between the two plots.

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Sketch the dispersion relation (E vs. kx) for a quantum-mechanical free-electron in
a one-dimensional lattice. On the same graph sketch the band structure which
results from a one-dimensional periodic potential, such as the Kronig-Penney
potential. Describe the similarities and differences between the two plots.
Transcribed Image Text:Sketch the dispersion relation (E vs. kx) for a quantum-mechanical free-electron in a one-dimensional lattice. On the same graph sketch the band structure which results from a one-dimensional periodic potential, such as the Kronig-Penney potential. Describe the similarities and differences between the two plots.
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