Vorticity, phase stiffness and the cuprate phase diagram

N. P. Ong; Yayu Wang

doi:10.1016/j.physc.2004.02.016

Vorticity, phase stiffness and the cuprate phase diagram

Superconductivity 2009-11-10 v1 Strongly Correlated Electrons

Authors: N. P. Ong , Yayu Wang

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Abstract

We review results obtained from vortex-Nernst experiments in cuprates. Evidence for a loss of phase coherence at the Meissner transition $T_{c0}$ is derived from vortex-like excitations that persist to high temperature. Below $T_{c0}$ , the Nersnt signal provides a determination of the upper critical field $H_{c2}$ vs. doping $x$ . Implications for the cuprate phase diagram are discussed.

Keywords

cuprate superconductors phase transition phase diagram

Cite

@article{arxiv.cond-mat/0306399,
  title  = {Vorticity, phase stiffness and the cuprate phase diagram},
  author = {N. P. Ong and Yayu Wang},
  journal= {arXiv preprint arXiv:cond-mat/0306399},
  year   = {2009}
}

Comments

6 pages, 8 figures, Plenary talk of the 7th International Conference on Materials and Mechanisms of Superconductivity and High Temperature Superconductors. To appear in Physica C, the proceeding of M2S-HTSC-VII

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