Analytic approximation to the ground-state energy of the Anderson model

Files
Note (145.16 KB)
Downloads: 307
TR Number
Date
1988-09
Journal Title
Journal ISSN
Volume Title
Publisher
American Physical Society
Abstract

Using the nonperturbative Lanczos recursion scheme an analytic approximation to the ground-state energy of the single-impurity Anderson model is obtained. Calculations are carried out to a 5x5 matrix truncation. Comparisons are made with the exact Bethe-ansatz result.

Description
Keywords
physics, condensed matter
Citation
Mancini, J. D.; Massano, W. J.; Potter, C. D.; Bowen, S. P., "Analytic approximation to the ground-state energy of the Anderson model," Phys. Rev. B 38, 5047 DOI: http://dx.doi.org/10.1103/PhysRevB.38.5047