Second-order effects on the interchain and interlayer interactions in low-dimensional electronic systems

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Abstract

The role of second-order perturbations in interchain interactions of one-dimensional electronic systems as well as in interlayer interactions of two-dimensional systems is discussed. The general features of such interchain interactions are deduced from a simpletwo-chain model. It is well known that charge density wave occurring in one-dimensional systems causes preferred structural changes such as dimerization of the nearest neighbor units. From a perturbation-theoretic analysis, the second-order term originating from two different bands in the vicinity of the Fermi level is shown to lead to an important out-of-phase coupling of charge density waves on neighboring chains. The preferred distortion is predicted for various electron counts using a "transition-density" or "transition-force" analysis. The well-known ABAB stacking of layers in natural graphite is rationalized by a transition density analysis to be a consequence of orbital interactions between graphite layers.

Original languageEnglish
Pages (from-to)443-450
Number of pages8
JournalNippon Kagaku Kaishi / Chemical Society of Japan - Chemistry and Industrial Chemistry Journal
Volume2000
Issue number7
Publication statusPublished - 2000
Externally publishedYes

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Charge density waves
Graphite
Dimerization
Electron transitions
Fermi level
Electrons

All Science Journal Classification (ASJC) codes

  • Chemistry(all)

Cite this

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abstract = "The role of second-order perturbations in interchain interactions of one-dimensional electronic systems as well as in interlayer interactions of two-dimensional systems is discussed. The general features of such interchain interactions are deduced from a simpletwo-chain model. It is well known that charge density wave occurring in one-dimensional systems causes preferred structural changes such as dimerization of the nearest neighbor units. From a perturbation-theoretic analysis, the second-order term originating from two different bands in the vicinity of the Fermi level is shown to lead to an important out-of-phase coupling of charge density waves on neighboring chains. The preferred distortion is predicted for various electron counts using a {"}transition-density{"} or {"}transition-force{"} analysis. The well-known ABAB stacking of layers in natural graphite is rationalized by a transition density analysis to be a consequence of orbital interactions between graphite layers.",
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T1 - Second-order effects on the interchain and interlayer interactions in low-dimensional electronic systems

AU - Yoshizawa, Kazunari

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N2 - The role of second-order perturbations in interchain interactions of one-dimensional electronic systems as well as in interlayer interactions of two-dimensional systems is discussed. The general features of such interchain interactions are deduced from a simpletwo-chain model. It is well known that charge density wave occurring in one-dimensional systems causes preferred structural changes such as dimerization of the nearest neighbor units. From a perturbation-theoretic analysis, the second-order term originating from two different bands in the vicinity of the Fermi level is shown to lead to an important out-of-phase coupling of charge density waves on neighboring chains. The preferred distortion is predicted for various electron counts using a "transition-density" or "transition-force" analysis. The well-known ABAB stacking of layers in natural graphite is rationalized by a transition density analysis to be a consequence of orbital interactions between graphite layers.

AB - The role of second-order perturbations in interchain interactions of one-dimensional electronic systems as well as in interlayer interactions of two-dimensional systems is discussed. The general features of such interchain interactions are deduced from a simpletwo-chain model. It is well known that charge density wave occurring in one-dimensional systems causes preferred structural changes such as dimerization of the nearest neighbor units. From a perturbation-theoretic analysis, the second-order term originating from two different bands in the vicinity of the Fermi level is shown to lead to an important out-of-phase coupling of charge density waves on neighboring chains. The preferred distortion is predicted for various electron counts using a "transition-density" or "transition-force" analysis. The well-known ABAB stacking of layers in natural graphite is rationalized by a transition density analysis to be a consequence of orbital interactions between graphite layers.

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