Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
1999-05-11
Physics
Condensed Matter
Strongly Correlated Electrons
4 RevTex pages, uses epsf, 2 figures
Scientific paper
10.1103/PhysRevLett.83.3498
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 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 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 (Reviews of Modern Physics 68, 13, 1996) of this problem.
Chitra R.
Kotliar Gabriel
Rozenberg Marcelo J.
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