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Dynamical Singlets and Correlation-Assisted Peierls Transition inVO2

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Biermann, S., Poteryaev, A., Lichtenstein, A. I., Georges, A.·2005·Physical Review Letters

Abstract

A theory of the metal-insulator transition in vanadium dioxide from the high- temperature rutile to the low- temperature monoclinic phase is proposed on the basis of cluster dynamical mean-field theory, in conjunction with the density functional scheme. The interplay of strong electronic Coulomb interactions and structural distortions, in particular, the dimerization of vanadium atoms in the low-temperature phase, plays a crucial role. We find that VO2 is not a conventional Mott insulator, but that the formation of dynamical V-V singlet pairs due to strong Coulomb correlations is necessary to trigger the opening of a Peierls gap.

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Metadata

Authors
Biermann, S., Poteryaev, A., Lichtenstein, A. I., & Georges, A.
Venue
Physical Review Letters
Published
2005-01-18
Volume
94
Issue
2
Pages
026404-026404
ISSN
  • 0031-9007 (ISSN-L)
  • 1079-7114
OpenAlex
W2064622618
Cited by
715
References
0
FWCI
22.92
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Dynamical Singlets and Correlation-Assisted Peierls Transition inVO2. https://app.cochat.ai/papers/10.1103/physrevlett.94.026404
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Biermann, S., Poteryaev, A., Lichtenstein, A. I., & Georges, A. (2005). Dynamical Singlets and Correlation-Assisted Peierls Transition inVO2. Physical Review Letters. https://doi.org/10.1103/physrevlett.94.026404

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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.