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4. Assume the low-energy part of the conduction band of a metal can be approximated in the effective-mass approximation with an effective mass matrix (1)
4. Assume the low-energy part of the conduction band of a metal can be approximated in the effective-mass approximation with an effective mass matrix (1) 17 Sketch a representative Fermi-surface in the k -k-plane. HINT: Think about what the eigenvalues of the effective mass matrix mean. You can also look in Chapter 17 of Simons for more information on the effective mass matrix
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