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Electrons in metal

  1. Jul 11, 2014 #1
    I just wanted to clear one thing... in metals what type of potential the electrons are subjected to..??
    Is it constant , sinusoidal , square or non-periodic..?? plzz explain a bit in accordance with free electron theory.>!!!
  2. jcsd
  3. Jul 11, 2014 #2


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  4. Jul 14, 2014 #3
    It's complicated. The nuclei produce their 1/r type fields, and since they a periodic in a metal, the net field is periodic. Now not all the the electrons necessarily see this periodic 1/r type potential, b/c part of the potential is being screened by electrons. You can get qualitative results by using a sinusoidal potential, but quantitative results require more accurate potentials.
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