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Curvature-Induced Defect Unbinding in Toroidal Geometries
Mark Bowick, David R. Nelson, Alex Travesset
Toroidal templates such as vesicles with hexatic bond orientational order are discussed. The total energy including disclination charges is explicitly computed for hexatic order em…
Virus shapes and buckling transitions in spherical shells
Jack Lidmar, Leonid Mirny, David R. Nelson
We show that the icosahedral packings of protein capsomeres proposed by Caspar and Klug for spherical viruses become unstable to faceting for sufficiently large virus size, in anal…
Grain Boundary Scars and Spherical Crystallography
A. R. Bausch, M. J. Bowick, A. Cacciuto +6
We describe experimental investigations of the structure of two-dimensional spherical crystals. The crystals, formed by beads self-assembled on water droplets in oil, serve as mode…
DNA unzipped under a constant force exhibits multiple metastable intermediates
Claudia Danilowicz, Vincent W. Coljee, Cedric Bouzigues +3
Single molecule studies, at constant force, of the separation of double-stranded DNA into two separated single strands may provide information relevant to the dynamics of DNA repli…