Definition of Fermi surface
: a theoretical geometric surface that consists of points representing the wavelength and direction of propagation of electrons with energies at the Fermi level in an atom of a solid material, that reflects the material's electronic structure, and that is used to characterize or predict the material's physical properties
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“Fermi surface.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Fermi%20surface. Accessed 18 Aug. 2022.
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