Geodesic
Stepwise conformation transitions for a semi-stiff ring polymer confined in a conical trap induced by the increasing external field or by cone's opening angle variation
Nanosistemy: fizika, himiâ, matematika, Tome 4 (2013) no. 2, pp. 225-235.

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In this paper a stepwise compaction process of a ring semi-stiff polymer chain placed in a 3d conical nano-cavity and being under the action of the increasing external field is studied. Compaction from a circle-like shape to several toroidal-like loops for a three-dimensional system was observed. The thermodynamic stability of these toroidal-like structures was investigated by observing a hysteresis of the compaction-extension curves. This study extends our previous work [1] with investigation of the effect of the cone opening angle variation on the distinct shape transitions.
Keywords: semi-stiff ring polymers, shape transitions, nanocone.
Mots-clés : Monte Carlo, compact structures, confinement 
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     author = {A. Siretskiy and C. Elvingson and P. N. Vorontsov-Velyaminov},
     title = {Stepwise conformation transitions for a semi-stiff ring polymer confined in a conical trap induced by the increasing external field or by cone's opening angle variation},
     journal = {Nanosistemy: fizika, himi\^a, matematika},
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A. Siretskiy; C. Elvingson; P. N. Vorontsov-Velyaminov. Stepwise conformation transitions for a semi-stiff ring polymer confined in a conical trap induced by the increasing external field or by cone's opening angle variation. Nanosistemy: fizika, himiâ, matematika, Tome 4 (2013) no. 2, pp. 225-235. http://geodesic.mathdoc.fr/item/NANO_2013_4_2_a8/