title: Phase separation due to quantum mechanical correlations.
abstract: 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.
authors.affiliation: Department of Physics, Georgetown University, Washington, D.C. 20057, USA.
authors.forename: James K
authors.initials: JK
authors.lastname: Freericks
authors.forename: Elliott H
authors.initials: EH
authors.lastname: Lieb
authors.forename: Daniel
authors.initials: D
authors.lastname: Ueltschi