Phys. Rev. B 69, 041102(R) (2004) [4 pages]High-energy dynamics of the single-impurity Anderson model
The quantitative control of the dynamic correlations of single impurity Anderson models is essential in several very active fields. We analyze the one-particle Green function with a constant energy resolution by dynamic density-matrix renormalization. In contrast to other approaches, sharp dominant resonances at high energies are found. Their origin and importance are discussed. © 2004 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevB.69.041102
DOI:
10.1103/PhysRevB.69.041102
PACS:
71.55.Ak, 71.27.+a, 71.28.+d, 78.67.Hc
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