中文

Dynamical Phase Transition in a Driven Disordered Vortex Lattice

凝聚态物理 2009-10-28 v1

摘要

Using Langevin dynamics, we have investigated the dynamics of vortices in a disordered two dimensional superconductor subjected to a uniform driving current. The results provide direct numerical evidence for a dynamical phase transition between a plastic flow regime and a moving ``hexatic glass." The simulated current-voltage characteristics are in excellent agreement with recent transport measurements on amorphous Mo77Ge23{\rm Mo_{77}Ge_{23}} thin film superconductors.

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引用

@article{arxiv.cond-mat/9606126,
  title  = {Dynamical Phase Transition in a Driven Disordered Vortex Lattice},
  author = {Seungoh Ryu and M. Hellerqvist and S. Doniach and A. Kapitulnik and D. Stroud},
  journal= {arXiv preprint arXiv:cond-mat/9606126},
  year   = {2009}
}

备注

13 pages, latex, revtex, 4 figures available upon request from [email protected]