Issue |
Europhys. Lett.
Volume 43, Number 4, August II 1998
|
|
---|---|---|
Page(s) | 469 - 475 | |
Section | Condensed matter: electronic structure, electrical, magnetic and optical properties | |
DOI | https://doi.org/10.1209/epl/i1998-00383-8 | |
Published online | 01 September 2002 |
Analog of magnetoelectric effect in high-Tc granular superconductors
1
Instituto de Física, Universidade Federal do Rio Grande do Sul
91501-970 Porto Alegre, Brazil
2
Physics Department and Center for the Interdisciplinary
Research on Complex Systems Northeastern University - Boston, MA,
02115, USA
3
Instituto de Física,
Universidad Nacional Autónoma de México
Apdo. Postal 20-364, 01000 México D. F., México
Received:
5
March
1998
Accepted:
2
July
1998
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.
PACS: 75.80.+q – Magnetomechanical and magnetoelectric effects, magnetostriction / 74.50.+r – Proximity effects, weak links, tunneling phenomena, and Josephson effects
© EDP Sciences, 1998
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