Nonequilibrium behaviour and nonergodicity of high-Tc superconductive glass model

V. Aksenov, S. A. Sergeenkov

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Nonequilibrium properties of oxide superconductors are investigated in the frame of the 2D XY Josephson glass model. The dependence on temperature and applied magnetic field of the nonergodicity parameter is calculated and shown to have a universal behaviour versus T Tc (H). In the mode-coupling approximation the critical low-frequency dynamics of the model is studied. The model long-time nonexponential relaxation behaviour of the remanent magnetization is discussed as well. The obtained temperature-field dependences of the magnetization decay rate are in qualitative agreement with the recent experimental data for the lanthanium and yttrium ceramics.

Original languageEnglish
Pages (from-to)235-242
Number of pages8
JournalPhysica C: Superconductivity and its Applications
Volume156
Issue number2
DOIs
Publication statusPublished - Sep 1 1988

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Glass
glass
Magnetization
Yttrium
Oxide superconductors
magnetization
critical frequencies
yttrium
Relaxation time
coupled modes
decay rates
Temperature distribution
temperature distribution
relaxation time
ceramics
Magnetic fields
low frequencies
oxides
approximation
magnetic fields

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

Nonequilibrium behaviour and nonergodicity of high-Tc superconductive glass model. / Aksenov, V.; Sergeenkov, S. A.

In: Physica C: Superconductivity and its Applications, Vol. 156, No. 2, 01.09.1988, p. 235-242.

Research output: Contribution to journalArticle

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