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  From Fermi-liquid-like to non-Fermi-liquid behavior of the generalized Anderson impurity model: The Bethe-ansatz solution

Zvyagin, A. A. (2002). From Fermi-liquid-like to non-Fermi-liquid behavior of the generalized Anderson impurity model: The Bethe-ansatz solution. Physical Review B, 65(21): 214404, pp. 214404-214404. doi:10.1103/PhysRevB.65.214404.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0015-3145-C Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0018-23DA-8
Genre: Journal Article

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 Creators:
Zvyagin, A. A.1, Author              
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1Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863404              

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 Abstract: The exact solution for the generalized Anderson impurity model is presented. Here localized electrons interact in the shell via a Hubbard-like repulsion and Hund's rule exchange interaction. An impurity reveals, in general, a mixed-valent behavior. Depending on the relative position of the impurity level and the strengths of Hubbard like and Hund's couplings, an impurity can reveal either a Fermi-liquid-like or non-Fermi- liquid-like behavior. The competition between characteristics of in-shell Coulomb interactions can produce a behavior similar to the channel-anisotropic multichannel Kondo situation, which is responsible for the non-Fermi-liquid physics of the model. Similar conclusions can be made for a two-impurity Kondo model.

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Language(s): eng - English
 Dates: 2002-06-01
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: Peer
 Identifiers: eDoc: 18634
ISI: 000176765700062
DOI: 10.1103/PhysRevB.65.214404
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Title: Physical Review B
  Alternative Title : Phys. Rev. B
Source Genre: Journal
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Pages: - Volume / Issue: 65 (21) Sequence Number: 214404 Start / End Page: 214404 - 214404 Identifier: ISSN: 0163-1829