Universality and Critical Behavior at the Mott Transition
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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References and Notes
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We acknowledge fruitful discussions with R. Chitra, S. Florens, G. Kotliar, H. R. Krishnamurthy, M. Rozenberg, and A. J. Millis.
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Published In
Science
Volume 302 | Issue 5642
3 October 2003
3 October 2003
Copyright
American Association for the Advancement of Science.
Submission history
Received: 24 June 2003
Accepted: 20 August 2003
Published in print: 3 October 2003
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