Effect of conformations on charge transport in a thin elastic tube

Details Effect of conformations on charge transport in a thin elastic tube Effect of conformations on charge transport in a thin elastic tube

2008-03-24

arxiv.org/abs/0803.3407v1

Nonlinearity, 21 (2008) p.1

Physics

Quantum Physics

Scientific paper

10.1088/0951-7715/21/1/001

We study the effect of conformations on charge transport in a thin elastic tube. Using the Kirchhoff model for a tube with any given Poisson ratio, cross-sectional shape and intrinsic twist, we obtain a class of exact solutions for its conformation. The tube's torsion is found in terms of its intrinsic twist and its Poisson ratio, while its curvature satisfies a nonlinear differential equation which supports exact {\it periodic} solutions in the form of Jacobi elliptic functions, which we call {\it conformon lattice} solutions. These solutions typically describe conformations with loops. Each solution induces a corresponding quantum effective {\it periodic} potential in the Schr\"{o}dinger equation for an electron in the tube. The wave function describes the delocalization of the electron along the central axis of the tube. We discuss some possible applications of this novel mechanism of charge transport.

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