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  Magnetic and superconducting correlations in the two-dimensional Hubbard model

Metzner, W., Reiss, J., & Rohe, D. (2006). Magnetic and superconducting correlations in the two-dimensional Hubbard model. physica status solidi (b), 243(1), 46-56.

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 Creators:
Metzner, W.1, Author           
Reiss, J.1, Author           
Rohe, D.1, Author           
Affiliations:
1Department Quantum Many-Body Theory (Walter Metzner), Max Planck Institute for Solid State Research, Max Planck Society, ou_3370486              

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 Abstract: The interplay and competition of magnetic and superconducting
correlations in the weakly interacting two-dimensional Hubbard Model is
investigated by means of the functional renormalization group. At zero
temperature the flow of interactions in one-loop approximation evolves
into a strong coupling regime at low energy scales, signalling the
possible onset of spontaneous symmetry breaking. This is further
analyzed by a mean-field treatment of the strong renormalized
interactions which takes into account magnetic and superconducting
order simultaneously. The effect of strong correlations on
single-particle properties in the normal phase is studied by
calculating the flow of the self-energy. (c) 2006 WILEY-VCH Verlag GmbH
& Co. KGaA, Weinheim.

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Language(s): eng - English
 Dates: 2006
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 273434
ISI: 000234925800009
 Degree: -

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Title: physica status solidi (b)
Source Genre: Journal
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Publ. Info: -
Pages: - Volume / Issue: 243 (1) Sequence Number: - Start / End Page: 46 - 56 Identifier: ISSN: 0370-1972