Disorder induced transitions in layered coulomb gases and superconductors

Baruch Horovitz, Pierre Le Doussal

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

A 3D layered system of charges with logarithmic interaction parallel to the layers and random dipoles is studied via a novel variational method and an energy rationale which reproduce the known phase diagram for a single layer. Increasing interlayer coupling leads to successive transitions in which charge rods correlated in N>1 neighboring layers are nucleated by weaker disorder. For layered superconductors in the limit of only magnetic interlayer coupling, the method predicts and locates a disorder-induced defect-unbinding transition in the flux lattice. While N=1 charges dominate there, N>1 disorder induced defect rods are predicted for multi-layer superconductors.

Original languageEnglish
Pages (from-to)5395-5398
Number of pages4
JournalPhysical Review Letters
Volume84
Issue number23
DOIs
StatePublished - 1 Jan 2000

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