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. 2003 Oct 3;302(5642):89-92.
doi: 10.1126/science.1088386.

Universality and critical behavior at the Mott transition

P Limelette  1 , A Georges, D Jérome, P Wzietek, P Metcalf, J M Honig
Affiliations

Universality and critical behavior at the Mott transition

P Limelette et al. Science. .

Abstract

We report conductivity measurements of Cr-doped V2O3 using a variable pressure technique. The critical behavior of the conductivity near the Mott insulator to metal critical endpoint is investigated in detail as a function of pressure and temperature. The critical exponents are determined, as well as the scaling function associated with the equation of state. The universal properties of a liquid-gas transition are found. This is potentially a generic description of the Mott critical endpoint in correlated electron materials.

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