The Mott metal-insulator transition in half-filled two-dimensional Hubbard models
We study the Mott transition in the two dimensional Hubbard model by using the variational cluster approximation. The transition potential obtained is roughly Uc ≈ 2 and 6 for square and triangular lattices, respectively. A comparison between results of this approximation and other quantum cluster m...
Main Author: | Peyman Sahebsara |
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Format: | Article |
Language: | English |
Published: |
Isfahan University of Technology
2008-06-01
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Series: | Iranian Journal of Physics Research |
Subjects: | |
Online Access: | http://ijpr.iut.ac.ir/browse.php?a_code=A-10-1-281&slc_lang=en&sid=1 |
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