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Phys. Rev. Lett. 88, 106401 (2002) [4 pages]

Phase Separation due to Quantum Mechanical Correlations

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James K. Freericks1, Elliott H. Lieb2, and Daniel Ueltschi3
1Department of Physics, Georgetown University, Washington, D.C. 20057
2Departments of Mathematics and Physics, Princeton University, Princeton, New Jersey 08544
3Department of Mathematics, University of California, Davis, California 95616

Received 11 October 2001; published 19 February 2002

Can phase separation be induced by strong electron correlations? We present a theorem that affirmatively answers this question in the Falicov-Kimball model away from half filling, for any dimension. In the ground state the itinerant electrons are spatially separated from the classical particles.


©2002 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevLett.88.106401
DOI: 10.1103/PhysRevLett.88.106401
PACS: 71.10.Hf, 71.28.+d, 71.30.+h

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