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Electron gas oscillations

  1. Nov 18, 2013 #1
    Consider a slab infinite in x,y direction but very thin in z direction. As a classical model assume that we displace the electron gas surrounding the static iron cores slightly. With this picture, does the electron gas then consitute a harmonic oscillator?
    The electric field from an infinite sheet does not depend explicitly on the distance from it but somehow the charge density for this problem must do so. If we displace the electron gas more does it then see a bigger effective charge on the plane? - and why is that so
     
  2. jcsd
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