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Prog. Theor. Phys. Vol. 90 No. 1 (1993) pp. 43-51
Overlap Integral between the Ground States of an Electron Gas Corresponding to Two Positions of a Scattering Potential
K. Vladár
Research Institute for Solid State Physics,
Budapest, P. O. Box 49, H-1525
(Received March 29, 1993)
Abstract:
The exponent K in the Anderson orthogonality theorem is calculated for a heavy particle having two sites, when the electron scattering on one site involves n partial waves. K is given in closed expressions for n = 1 …4. Small and large translations of the scattering center and the weak scattering are discussed at arbitrary n. The partial wave l cannot contribute by more than l + (1/2) to K.
URL :
http://ptp.ipap.jp/link?PTP/90/43/
DOI : 10.1143/PTP.90.43
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