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The dynamics of charge-density waves

Grüner, G.·1988·Reviews of Modern Physics

Abstract

In many materials with a highly anisotropic band structure, electron-phonon interactions lead to a novel type of ground state called the charge-density wave. The condensate is pinned to the underlying lattice by impurities and by boundary effects, but can, even for small electric fields, carry current in a fashion originally envisioned by Fr\"ohlich. This review discusses some of the underlying theories and the main experimental observations on this new collective transport phenomenon. The frequency- and electric-field-dependent conductivity, current oscillations, electric-field-dependent transport coefficients and elastic properties, together with nuclear-magnetic-resonance experiments, provide clear evidence for a translational motion of the condensate. Various theories, involving classical and quantum-mechanical concepts, are able to account for a broad variety of experimental findings, which were also made in the presence of combined dc and ac fields.

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Metadata

Authors
Grüner, G.
Venue
Reviews of Modern Physics
Published
1988-10-01
Volume
60
Issue
4
Pages
1129-1181
ISSN
0034-6861 (ISSN-L)
OpenAlex
W2091286255
Cited by
2,181
References
0
FWCI
12.74
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: The dynamics of charge-density waves. https://app.cochat.ai/papers/10.1103/revmodphys.60.1129
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Grüner, G. (1988). The dynamics of charge-density waves. Reviews of Modern Physics. https://doi.org/10.1103/revmodphys.60.1129

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