Observation of correlations up to the micrometer scale in sliding charge-density waves

High-resolution coherent X-ray diffraction experiment has been performed on the Charge-Density Wave (CDW) system K0.3MoO3. The 2kF satellite reflection associated with the CDW has been measured with respect to external dc currents. In the sliding regime, the 2kF satellite reflection displays seconda...

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Bibliographic Details
Published in:Physica. B, Condensed matter Condensed matter, 2009-03, Vol.404 (3-4), p.559-561
Main Authors: Jacques, V.L.R., Le Bolloc’h, D., Kirova, N., Ravy, S., Dumas, J.
Format: Article
Language:English
Subjects:
Charge-density-wave systems
Collective effects
Condensed Matter
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Electron states
Exact sciences and technology
Physics
Strongly Correlated Electrons
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Summary:High-resolution coherent X-ray diffraction experiment has been performed on the Charge-Density Wave (CDW) system K0.3MoO3. The 2kF satellite reflection associated with the CDW has been measured with respect to external dc currents. In the sliding regime, the 2kF satellite reflection displays secondary satellites along the chain axis which corresponds to correlations up to the micrometer scale. This super long range order is 1500 times larger than the CDW period itself.
ISSN:0921-4526
1873-2135
DOI:10.1016/j.physb.2008.11.046