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Advances in Condensed Matter Physics
Volume 2010, Article ID 487381, 5 pages
http://dx.doi.org/10.1155/2010/487381
Research Article

On the Validity of the Dynamical Mean-Field Approximation for Studying the Two-Dimensional Hubbard Model on a Square Lattice

Departamento de Fisica, Universidade Federal de Sergipe, 49100-000 Sao Cristovao-SE, Brazil

Received 25 January 2010; Accepted 6 July 2010

Academic Editor: Nigel E. Hussey

Copyright © 2010 A. N. Ribeiro and C. A. Macedo. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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