Finite-Temperature Mott Transition in the Two-Dimensional Hubbard Model

Details Finite-Temperature Mott Transition in the Two-Dimensional Hubbard Model Finite-Temperature Mott Transition in the Two-Dimensional Hubbard Model

2003-04-25

arxiv.org/abs/cond-mat/0304580v2

J. Mag. Mag. Mat. 272-276 Suppl. 1, E275 (2004)

Physics

Condensed Matter

Strongly Correlated Electrons

2 pages, to appear in J. Mag. Mag. Mat. as proceedings of the International Conference on Magnetism 2003

Scientific paper

10.1016/j.jmmm.2004.01.010

Mott transitions are studied in the two-dimensional Hubbard model by a
non-perturbative theory of correlator projection that systematically includes
spatial correlations into the dynamical mean-field approximation. Introducing a
nonzero second-neighbor transfer, a first-order Mott transition appears at
finite temperatures and ends at a critical point or curve.

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