Shruti Sahay posted an Question
August 25, 2021 • 11:39 am 30 points
  • CSIR NET
  • Physical Sciences

In a band structure calculation, the dispersion relation for electrons is found to be pcos k,a + cosk.a + cos ka). where is a constant and a is the lattice cons

In a band structure calculation, the dispersion relation for electrons is found to be Pcos k,a + cosk.a + cos ka). where is a constant and a is the lattice constant. The effective mass at the boundary of the first Brillouin zone is 4h 2 5Ba h *. 3ßa 3. h 2h 5Ba . 2Ba

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