Vortex lattice of layered superconductors in parallel magnetic fields

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Abstract

In the framework of the Lawrence-Doniach theory, we study numerically the vortex lattice of layered superconductors in parallel magnetic fields for the case of material parameters appropriate to YBa2Cu3O7-x. In the direction perpendicular to the layers, the period of the vortex lattice is commensurate with that of the layered structure. The lattice structure with each period is obtained numerically from the free- energy functional with the relaxation method, and the lattice constants for the equilibrium state and the dependence of the magnetization on the magnetic field H are determined. For (H0/H)1/24, the magnetization shows a periodic variation in the plot of (H0/H)1/2. (H0 is defined in text.) For higher magnetic fields (H0/H)1/2

Original languageEnglish
Pages (from-to)9423-9426
Number of pages4
JournalPhysical Review B
Volume51
Issue number14
DOIs
Publication statusPublished - 1995
Externally publishedYes

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Superconducting materials
Vortex flow
vortices
Magnetic fields
Magnetization
magnetic fields
magnetization
Free energy
Lattice constants
periodic variations
plots
free energy
Direction compound
barium copper yttrium oxide

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

Vortex lattice of layered superconductors in parallel magnetic fields. / Ichioka, Masanori.

In: Physical Review B, Vol. 51, No. 14, 1995, p. 9423-9426.

Research output: Contribution to journalArticle

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