Elastic lines on splayed columnar defects studied numerically

Details Elastic lines on splayed columnar defects studied numerically Elastic lines on splayed columnar defects studied numerically

2005-08-29

arxiv.org/abs/cond-mat/0508689v3

Phys. Rev. B 73, 094517 (2006) (9 pages)

Physics

Condensed Matter

Superconductivity

9 pages, 11 figures. Accepted for publication in PRB

Scientific paper

10.1103/PhysRevB.73.094517

We investigate by exact optimization method properties of two- and three-dimensional systems of elastic lines in presence of splayed columnar disorder. The ground state of many lines is separable both in 2d and 3d leading to a random walk -like roughening in 2d and ballistic behavior in 3d. Furthermore, we find that in the case of pure splayed columnar disorder in contrast to point disorder there is no entanglement transition in 3d. Entanglement can be triggered by perturbing the pure splay system with point defects.

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