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High-energy dynamics of the single-impurity Anderson model

Carsten Raas, Götz S. Uhrig, and Frithjof B. Anders
Phys. Rev. B 69, 041102(R) – Published 26 January 2004
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Abstract

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.

  • Received 1 December 2003

DOI:https://doi.org/10.1103/PhysRevB.69.041102

©2004 American Physical Society

Authors & Affiliations

Carsten Raas1, Götz S. Uhrig1, and Frithjof B. Anders2

  • 1Institut für Theoretische Physik, Universität zu Köln, Zülpicher Strasse 77, 50937 Köln, Germany
  • 2Institut für Theoretische Physik, Universität Bremen, 28334 Bremen, Germany

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Vol. 69, Iss. 4 — 15 January 2004

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