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Advanced Physics Homework Help
Understanding Free Electron Kinetic Energy on a Square Lattice
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[QUOTE="aaaa202, post: 4527292, member: 294903"] [h2]Homework Statement [/h2] Show for a simple square lattice that the kinetic energy of a free electron is higher at the corner of the first zone than at the midpoint a side face by a factor of 2. [h2]Homework Equations[/h2] Simple geometry. [h2]The Attempt at a Solution[/h2] I think I know how to solve, but I am not completely sure I understand the question. The position of the electron refers to the position of its k-vector in k-space right? Well this is not real space, and I can't really see how this has anything to do with the lattice being square in real space. [/QUOTE]
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Understanding Free Electron Kinetic Energy on a Square Lattice
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