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Mott Transition in the Two-Dimensional Hubbard Model

Masanori Kohno
Phys. Rev. Lett. 108, 076401 – Published 15 February 2012

Abstract

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 cuprate high-temperature superconductors are explained in a unified manner as properties near the Mott transition.

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  • Received 15 November 2011

DOI:https://doi.org/10.1103/PhysRevLett.108.076401

This article is available under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.

Published by the American Physical Society

Authors & Affiliations

Masanori Kohno

  • International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science, Tsukuba 305-0044, Japan

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Issue

Vol. 108, Iss. 7 — 17 February 2012

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