Reproducible noise in a macroscopic system: magnetic avalanches in Perminvar
| dc.creator | Urbach, J. S. | |
| dc.creator | Madison, R. C. | |
| dc.creator | Markert, J. T. | |
| dc.date | 1995-08-17 | |
| dc.date.accessioned | 2026-07-07T09:05:33Z | |
| dc.date.available | 2026-07-07T09:05:33Z | |
| dc.description | A study of magnetic avalanches in Perminvar, an Fe-Ni-Co alloy, shows that some avalanches are almost exactly reproducible from one magnetic field cycle to the next, while others show significant variability. Averaging over many cycles produces a fingerprint reflecting the reproducibility of the noise. The fingerprint is not strongly temperature or driving-rate dependent, indicating that the variability is a consequence of dynamical effects. We also find that the slope of the cycle-averaged magnetization, d<M>/dH, is correlated with the cycle-to-cycle variations in magnetization, suggesting an analogy with the fluctuation-dissipation relationship from equilibrium thermodynamics. | |
| dc.description | 4 pages, uuencoded postscript | |
| dc.identifier | https://arxiv.org/abs/adap-org/9508005 | |
| dc.identifier | http://arxiv.org/abs/adap-org/9508005 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/149715 | |
| dc.subject | Adaptation and Self-Organizing Systems | |
| dc.title | Reproducible noise in a macroscopic system: magnetic avalanches in Perminvar | |
| dc.type | text |