Finite vortex correlation in the c direction above the first-order melting transition

E. Righi, S. Grigera, G. Nieva, D. López

Research output: Contribution to journalArticlepeer-review

23 Scopus citations

Abstract

The in- and out-of-plane resistivities of untwinned (Formula presented)(Formula presented)(Formula presented) show that at the melting temperature of the vortex lattice (Formula presented)(H), the c-axis vortex correlation length has a finite value, demonstrating that the first- order transition is a true melting and not a decoupling transition. The vortex liquid just above (Formula presented)(H) has a correlation length in the field direction on the order of a micron. The in-plane I-V characteristics in the liquid state show non-Ohmic behavior, providing evidence that thermal fluctuations dominate the response even at the first-order transition.

Original languageEnglish (US)
Pages (from-to)14156-14159
Number of pages4
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume55
Issue number21
DOIs
StatePublished - 1997

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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