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Quantum information analysis of the phase diagram of the half-filled extended Hubbard model

✍ Scribed by Mund, C.; Legeza, Ö.; Noack, R. M.

Book ID
118740095
Publisher
The American Physical Society
Year
2009
Tongue
English
Weight
185 KB
Volume
79
Category
Article
ISSN
1098-0121

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Although the single-band Hubbard model for a half-filled square lattice is considered to be an antiferromagnetic (AF) insulator, it is a current vital question to ask what happens if the second nearest-neighbor hopping (t 0 ) is introduced to it. To study this problem, we use the fluctuation exchang