Universality and Critical Behavior at the Mott transition

Details Universality and Critical Behavior at the Mott transition Universality and Critical Behavior at the Mott transition

2004-06-16

arxiv.org/abs/cond-mat/0406351v1

Science vol.302 p.89 (2003)

Physics

Condensed Matter

Strongly Correlated Electrons

3 figures

Scientific paper

10.1126/science.1088386

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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