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Charge Order in the Falicov-Kimball Model

Brydon, Philip; Gulacsi, Miklos

Description

We examine the spinless one-dimensional Falicov-Kimball model (FKM) below half filling, addressing both the binary alloy and valence transition interpretations of the model. Using a nonperturbative technique, we derive an effective Hamiltonian for the occupation of the localized orbitals, providing a comprehensive description of charge order in the FKM. In particular, we uncover the contradictory ordering roles of the forwardscattering and backscattering itinerant electrons: the latter are...[Show more]

CollectionsANU Research Publications
Date published: 2006
Type: Journal article
URI: http://hdl.handle.net/1885/88172
Source: Physical Review B: Condensed Matter and Materials
DOI: 10.1103/PhysRevB.73.235120

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