Analog of Magnetoelectric Effect in High-Tc Granular Superconductors
arXiv:cond-mat/9807098 · doi:10.1209/epl/i1998-00383-8
Abstract
We propose the existence of an electric-field induced nonlinear magnetization in a weakly coupled granular superconductor due to time-parity violation. As the field increases the induced magnetization passes from para- to dia-magnetic behavior. We discuss conditions under which this effect could be experimentally measured in high-temperature superconductors.
REVTEX (epsf style), 1 PS figure; to appear in Europhysics Letters
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