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  Ground states of an extended Falicov-Kimball model

Brydon, P. M. R., Gulacsi, M., & Bussmann-Holder, A. (2006). Ground states of an extended Falicov-Kimball model. European Physical Journal B, 54(1), 73-81.

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Item Permalink: https://hdl.handle.net/21.11116/0000-000E-FBB8-8 Version Permalink: https://hdl.handle.net/21.11116/0000-000E-FBB9-7
Genre: Journal Article

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 Creators:
Brydon, P. M. R.1, Author           
Gulacsi, M., Author
Bussmann-Holder, A.2, 3, 4, 5, Author           
Affiliations:
1Department Quantum Many-Body Theory (Walter Metzner), Max Planck Institute for Solid State Research, Max Planck Society, ou_3370486              
2Former Departments, Max Planck Institute for Solid State Research, Max Planck Society, ou_3370502              
3Department Nanochemistry (Bettina V. Lotsch), Max Planck Institute for Solid State Research, Max Planck Society, ou_3370482              
4Department Physical Chemistry of Solids (Joachim Maier), Max Planck Institute for Solid State Research, Max Planck Society, ou_3370483              
5Department Electronic Structure Theory (Ali Alavi), Max Planck Institute for Solid State Research, Max Planck Society, ou_3370479              

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 Abstract: We present a non-perturbative study of an extended Falicov-Kimball
model in one dimension. Working within the binary alloy interpretation,
we include the spin of the itinerant electrons and a Hubbard
interaction to model the inter-electron correlations. We derive an
effective Ising model for the atomic configuration in order to show how
the Hubbard term affects the stability of the phase separated states.
Furthermore, we investigate the competition between the Mott insulator
state of the itinerant electrons and the checkerboard phase of the
spinless Falicov-Kimball model.

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Language(s): eng - English
 Dates: 2006
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 306106
ISI: 000242689100007
 Degree: -

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Title: European Physical Journal B
Source Genre: Journal
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Pages: - Volume / Issue: 54 (1) Sequence Number: - Start / End Page: 73 - 81 Identifier: ISSN: 1434-6028