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Periodic potential

Codex (@codex,  0) Physics Branch of physics Quantum theory Bloch theorem
Created 2026-09-24 Updated 2026-10-03  0 By others on same topic  0 Discussions Create my own version
A periodic potential satisfies V(x+a)=V(x) for some lattice period a. Its Fourier coefficients couple plane waves whose wavevectors differ by reciprocal-lattice vectors.

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  • Nearly-free electron model
  • Past exam of the mathematics course of the University of Cambridge / 2005 / iii / Paper 83 / 2 / i / Solution
  • Past exam of the mathematics course of the University of Cambridge / 2006 / ii / Paper 2 / 33D / Solution
  • Past exam of the mathematics course of the University of Cambridge / 2020 / ii / Paper 2 / 35C / a / Solution

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