Phys. Rev. B 72, 060411(R) (2005) [4 pages]Efficient calculation of the antiferromagnetic phase diagram of the three-dimensional Hubbard modelSee Also: Publisher's Note, Publisher's Note
The dynamical cluster approximation (DCA) with Betts clusters is used to calculate the antiferromagnetic phase diagram of the three-dimensional Hubbard model at half-filling. Betts clusters are a set of periodic clusters which best reflect the properties of the lattice in the thermodynamic limit and provide an optimal finite-size scaling as a function of cluster size. Using a systematic finite-size scaling as a function of cluster space-time dimensions, we calculate the antiferromagnetic phase diagram. Our results are qualitatively consistent with the results of Staudt et al. Eur. Phys. J. B 17 411 (2000)], but require the use of much smaller clusters: 48 compared to 1000. © 2005 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevB.72.060411
DOI:
10.1103/PhysRevB.72.060411
PACS:
75.10.Lp, 75.10.Jm
See AlsoPublisher's Note: Masatoshi Imada, Publisher's Note: Universality classes of metal-insulator transitions in strongly correlated electron systems and mechanism of high-temperature superconductivity [Phys. Rev. B 72, 075113 (2005)], Phys. Rev. B 72, 079902 (2005). Publisher's Note: P. R. Kent, M. Jarrell, T. A. Maier, and Th. Pruschke, Publisher's Note: Efficient calculation of the antiferromagnetic phase diagram of the three-dimensional Hubbard model [Phys. Rev. B72, 060411 (2005)], Phys. Rev. B 72, 109902 (2005). |
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