The normal metal has a sharp Fermi surface at 0 K in spite of the fact that the electron motion is correlated due to the coulomb interaction. The independent electron model with a sharp Fermi surface at 0 K is called the Fermi liquid model. We derive this model in the self-consistent mean field approximation in this chapter.
KeywordsPauli Exclusion Principle Magnetic Quantum Number Coulomb Attraction Spin Degeneracy Interionic Coulomb
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