First order phase transition from the vortex liquid to an amorphous solid

M. Menghini; Yanina Fasano; F. de la Cruz; S. S. Banerjee; Y. Myasoedov; E. Zeldov; C. J. van der Beek; M. Konczykowski; T. Tamegai

doi:10.1103/PhysRevLett.90.147001

First order phase transition from the vortex liquid to an amorphous solid

超导电性 2009-11-07 v1

作者: M. Menghini , Yanina Fasano , F. de la Cruz , S. S. Banerjee , Y. Myasoedov , E. Zeldov , C. J. van der Beek , M. Konczykowski , T. Tamegai

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摘要

We present a systematic study of the topology of the vortex solid phase in superconducting Bi $_{2}$ Sr $_{2}$ CaCu $_{2}$ O $_{8}$ samples with low doses of columnar defects. A new state of vortex matter imposed by the presence of geometrical contours associated with the random distribution of columns is found. The results show that the first order liquid-solid transition in this vortex matter does not require a structural symmetry change.

关键词

vortex physics in superconductors vortex dynamics phase transition

引用

@article{arxiv.cond-mat/0210623,
  title  = {First order phase transition from the vortex liquid to an amorphous solid},
  author = {M. Menghini and Yanina Fasano and F. de la Cruz and S. S. Banerjee and Y. Myasoedov and E. Zeldov and C. J. van der Beek and M. Konczykowski and T. Tamegai},
  journal= {arXiv preprint arXiv:cond-mat/0210623},
  year   = {2009}
}

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4 pages, 5 figures

First order phase transition from the vortex liquid to an amorphous solid

摘要

关键词

引用

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