Unified order-disorder vortex phase transition in high-Tc superconductors

Y. Radzyner, A. Shaulov, Y. Yeshurun

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42 Scopus citations


The diversity of vortex melting and solid-solid transition lines measured in different high-Tc superconductors is explained, postulating a unified order-disorder phase transition driven by both thermally- and disorder-induced fluctuations. The temperature dependence of the transition line and the nature of the disordered phase (solid, liquid, or pinned liquid) are determined by the relative contributions of these fluctuations and by the pinning mechanism. By varying the pinning mechanism and the pinning strength one obtains a spectrum of monotonic and nonmonotonic transition lines similar to those measured in Bi2Sr2CaCu2O8, YBa2Cu3O7-δ, Nd1.85Ce0.15CuO4-δ, Bi1.6Pb0.4Sr2CaCu2 O8+δ, and (La0.937Sr0.063)2CuO4.

Original languageEnglish
Article number100513
Pages (from-to)1005131-1005134
Number of pages4
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number10
StatePublished - 1 Mar 2002


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