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Bond-orientational order in liquids and glasses
Bond-orientational order in molecular-dynamics simulations of supercooled liquids and in models of metallic glasses is studied. Quadratic and third-order invariants formed from bond spherical…
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Large-distance and long-time properties of a randomly stirred fluid
Dynamic renormalization-group methods are used to study the large-distance, long-time behavior of velocity correlations generated by the Navier-Stokes equations for a randomly stirred, incompressible…
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Genetic drift at expanding frontiers promotes gene segregation
TLDR
A comparison of bacterial and yeast colonies suggests that this large-scale genetic sectoring is a generic phenomenon that may provide a detectable footprint of past range expansions.
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Statistical mechanics of membranes and surfaces
The Statistical Mechanics of Membranes and Interfaces (D Nelson) Interfaces: Fluctuations, Interactions and Related Transitions (M E Fisher) Equilibrium Statistical Mechanics of Fluctuating Films and…
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Dislocation-mediated melting in two dimensions
A theory of dislocation-mediated melting in two dimensions is described in detail, with an emphasis on results for triangular lattices on both smooth and periodic substrates. The transition from…
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Virus shapes and buckling transitions in spherical shells.
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 analogy with the…
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Defects and geometry in condensed matter physics
1. Fluctuations, renormalization and universality 2. Defect mediated phase transitions 3. Order, frustration 4. The structure and statistical mechanics of glass 5. The statistical mechanics of…
Fluctuations in membranes with crystalline and hexatic order
We study the interplay between crystalline (or hexatic) order and thermal fluctuations in membranes with vanishing surface tension. If the connectivity of the crystalline state is preserved, the…
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Gene surfing in expanding populations.
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Theory of Two-Dimensional Melting
The consequences of a theory of dislocation-mediated two-dimensional melting are worked out for triangular lattices. Dissociation of dislocation pairs first drives a transition into a "liquid…
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