Interpretation of the neutron scattering data on flux lattices of superconductors

D. Chang, C. Y. Mou, Baruch Rosenstein, C. L. Wu

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

Small angle neutron scattering (SANS) experiments are analyzed using a recently developed and properly generalized one-field effective free energy method. In the case of experiment of Keimer et al. on YBa 2 Cu 3 O 2 , we show that the fourfold symmetry of the underlying crystal is explicitly broken, but the reflection with respect to the [110] and [110] axes remains a symmetry. The vortex lattice also becomes generally oblique instead of rectangular body centered. An unexpectedly rich phase diagram is described.

Original languageEnglish
Pages (from-to)145-148
Number of pages4
JournalPhysical Review Letters
Volume80
Issue number1
DOIs
StatePublished - 1 Jan 1998

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