1. 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
It was also found that antinodal electrons in underdoped LSCO experience some extra strong scattering process, which may be related to the Fermi surface topology.