FRIEDEL OSCILLATIONS ON A SQUARE LATTICE
- 15 May 1995
- journal article
- Published by World Scientific Pub Co Pte Ltd in International Journal of Modern Physics B
- Vol. 9 (11) , 1327-1341
- https://doi.org/10.1142/s0217979295000562
Abstract
An impurity in a conductor will cause oscillations in the charge density near the impurity. We calculate these Friedel Oscillations for impurities on a square lattice while using the tight-binding model. Far from the impurity the oscillations are described by a set of phase shifts. These are the same phase shifts which enter the Friedel Sum Rule.Keywords
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