Positional, reorientational, and bond orientational order in DNA mesophases.

We investigate the orientational order of transverse polarization vectors of long, stiff polymer molecules and their coupling to bond orientational and positional order in high density mesophases. Homogeneous ordering of transverse polarization vector promotes distortions in the hexatic phase, whereas inhomogeneous ordering precipitates crystallization of the 2D sections with different orientations of the transverse polarization vector on each molecule in the unit cell. We propose possible scenarios for going from the hexatic phase, through the distorted hexatic phase, to the crystalline phase with an orthorhombic unit cell observed experimentally for the case of DNA.

• Publication year

  2001

• Venue

  Physical Review Letters

• Publication date

  2001-05-29

• Fields of study

  Biology, Medicine, Materials Science, Physics

• Identifiers
  DOI 10.1103/PhysRevLett.87.218101arXiv cond-mat/0105561PMID 11736381
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar, PubMed

• No claims are published for this paper.

• No concepts are published for this paper.

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