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Renormalization-group analysis of the one-dimensional extended Hubbard model with a single impurity

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We analyze the one-dimensional extended Hubbard model with a single static impurity by using a computational technique based on the functional renormalization group. This extends previous work for spinless fermions to spin-1∕2 fermions. The underlying approximations are devised for weak interactions...

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Main Authors: Andergassen, Sabine (Author) , Enss, Tilman (Author)
Format: Article (Journal)
Language:English
Published: 26 January 2006
In: Physical review. B, Condensed matter and materials physics
Year: 2006, Volume: 73, Issue: 4
ISSN:1550-235X
DOI:10.1103/PhysRevB.73.045125
Online Access:Verlag, Volltext: http://dx.doi.org/10.1103/PhysRevB.73.045125
Verlag, Volltext: https://link.aps.org/doi/10.1103/PhysRevB.73.045125
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Author Notes:S. Andergassen, T. Enss, V. Meden, W. Metzner, U. Schollwöck, and K. Schönhammer
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Renormalization-group analysis of the one-dimensional extended Hubbard model with a single impurity by Andergassen, Sandra (Author) , Enss, Tilman (Author) ,


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