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4 papers · 2 filters
Twist and writhe dynamics of stiff filaments
A. C. Maggs
This letter considers the dynamics of a stiff filament, in particular the coupling of twist and bend via writhe. The time dependence of the writhe of a filament is $W_r^2\sim L t^{…
Long-range Casimir interactions between impurities in nematic liquid crystals and the collapse of polymer chains in such solvents
D. Bartolo, D. Long, J. -B. Fournier
The elastic interactions between objects embedded in a nematic liquid crystal are usually caused by the average distorsion-rather than by the fluctuations-of the nematic orientatio…
Critical States in a Dissipative Sandpile Model
S. S. Manna, A. D. Chakrabarti, R. Cafiero
A directed dissipative sandpile model is studied in the two-dimension. Numerical results indicate that the long time steady states of this model are critical when grains are droppe…
N-body Study of Anisotropic Membrane Inclusions: Membrane Mediated Interactions and Ordered Aggregation
P. G. Dommersnes, J. -B. Fournier
We study the collective behavior of inclusions inducing local anisotropic curvatures in a flexible fluid membrane. The N-body interaction energy for general anisotropic inclusions…