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Effective mass of a charge carrier

  1. Nov 19, 2009 #1
    What is the effective mass of a charge carrier, numerically? Is it equivalent to the mass of an electron? Is it the same for negative charge carriers as it is for positive charge carriers?
  2. jcsd
  3. Nov 20, 2009 #2
    For Bloch electrons? The effective mass is inversely proportional to the curvature of the [tex]\epsilon[/tex] vs k graph for the band that the carrier is in.
  4. Nov 20, 2009 #3
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