Finite Temperature Mott Transition in the Hubbard Model in Infinite Dimensions

Marcelo J. Rozenberg, R. Chitra, and Gabriel Kotliar
Phys. Rev. Lett. 83, 3498 – Published 25 October 1999
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Abstract

We study the second order finite temperature Mott transition point in the fully frustrated Hubbard model at half filling, within dynamical mean field theory. Using quantum Monte Carlo simulations and analytical arguments, we show the existence of a finite temperature second order critical point by explicitly demonstrating the existence of a divergent susceptibility as well as by finding coexistence in the low temperature phase. We determine the precise location of the finite temperature Mott critical point in the (U,T) plane. Our study verifies and quantifies a scenario for the Mott transition proposed in earlier studies of this problem.

  • Received 7 May 1999

DOI:https://doi.org/10.1103/PhysRevLett.83.3498

©1999 American Physical Society

Authors & Affiliations

Marcelo J. Rozenberg

  • Departamento de Física, FCEN, Universidad de Buenos Aires, Ciudad Universitaria Pabellón I, 1428 Buenos Aires, Argentina

R. Chitra and Gabriel Kotliar

  • Serin Physics Laboratory, Rutgers University, Piscataway, New Jersey 08854

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Issue

Vol. 83, Iss. 17 — 25 October 1999

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