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Line 1: The '''Empty Lattice Approximation''' is a theoretical [[electronic band structure]] model in which the periodic potential of the crystal lattice is not defined more precisely than '''"periodic"''' and it is assumed that the potential is '''weak'''. ~~This~~The Empty Lattice Approximation is a description of the properties of electrons in an [[Fermi gas\|electron gas]] of [[Free electron model\|free electrons]]. The model mainly serves to illustrate a number of concepts which are fundamental to all electronic band structure phenomena. ==Introduction== [[Image:Empty-Lattice-Approximation-FCC-bands.svg\|thumb\|300px\|Free electron bands in a FCC crystal structure]]

Empty lattice approximation: Difference between revisions