Physical Review Letters · 2002 · 70 citations · 24 references
Natural SciencesPhysicsCondensed Matter PhysicsQuantum MechanicsTheoretical PhysicsElectron ConfigurationsElectron CorrelationPhase SeparationPhase TransitionsStrongly Correlated Electron SystemsSymmetry BreakingEffective Hamiltonian TheoryElectron Correlation EffectsElectron PairingElectronic CorrelationsGround State PropertiesStrongly Correlated Electron MagnetismStrongly Correlated Electrons
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.
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