| Issue |
Europhys. Lett.
Volume 63, Number 3, August 2003
|
|
|---|---|---|
| Page(s) | 440 - 445 | |
| Section | Condensed matter: electronic structure, electrical, magnetic, and optical properties | |
| DOI | https://doi.org/10.1209/epl/i2003-00535-4 | |
| Published online | 01 November 2003 | |
Disordered quantum smectics
1
Laboratoire de Physique Théorique de l'École Normale Supérieure CNRS-UMR8549 24 Rue Lhomond, 75231 Paris Cedex 05, France
2
Laboratoire de Physique Théorique des Liquides CNRS-UMR7600 Université Pierre et Marie Curie - 4 Place Jussieu, 75252 Paris Cedex 05, France
Received:
4
December
2002
Accepted:
28
May
2003
We study the impurity pinning of the Quantum Hall (QH) smectic
state arising in two-dimensional electron systems in high Landau
levels. We use replicas and a Gaussian Variational method to deal
with the disorder. The pinned quantum smectic exhibits very
anisotropic behaviour, with width correlations along the stripes
manifesting a power law behavior. We calculate the dynamical
conductivity 
along the stripe
direction and find a 
-dependent pinning peak.
PACS: 73.43.Cd – Quantum Hall effects: Theory and modeling / 83.80.Xz – Liquid crystals: nematic, cholesteric, smectic, discotic, etc
© EDP Sciences, 2003
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