Mott Transition in the Two-Dimensional Hubbard Model

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

2012-01-05

arxiv.org/abs/1201.1284v2

Phys. Rev. Lett. 108, 076401 (2012)

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages, 2 figures

Scientific paper

10.1103/PhysRevLett.108.076401

Spectral properties of the two-dimensional Hubbard model near the Mott transition are investigated by using cluster perturbation theory. The Mott transition is characterized by freezing of the charge degrees of freedom in a single-particle excitation that leads continuously to the magnetic excitation of the Mott insulator. Various anomalous spectral features observed in high-temperature superconductors are explained in a unified manner as properties near the Mott transition.

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