Sliding Columnar Phase of DNA-Lipid Complexes

C. S. O'Hern and T. C. Lubensky
Phys. Rev. Lett. 80, 4345 – Published 11 May 1998
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Abstract

We introduce a simple model for DNA-cationic-lipid complexes in which galleries between planar bilayer lipid lamellae contain DNA 2D smectic lattices that couple orientationally and positionally to lattices in neighboring galleries. We identify a new equilibrium phase in which there are long-range orientational but not positional correlations between DNA lattices. We discuss properties of this new phase such as its x-ray structure factor S(r), which exhibits unusual exp(const×ln2|r|) behavior as a function of in-plane separation r.

  • Received 4 December 1997

DOI:https://doi.org/10.1103/PhysRevLett.80.4345

©1998 American Physical Society

Authors & Affiliations

C. S. O'Hern and T. C. Lubensky

  • Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, Pennsylvania 19104

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Vol. 80, Iss. 19 — 11 May 1998

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