| Issue |
Europhys. Lett.
Volume 33, Number 6, February III 1996
|
|
|---|---|---|
| Page(s) | 489 - 494 | |
| Section | Condensed matter: electronic structure, electrical, magnetic and optical properties | |
| DOI | https://doi.org/10.1209/epl/i1996-00368-1 | |
| Published online | 01 September 2002 | |
High-frequency dynamics and the spin-glass transition
1
The James Franck Institute and Department of Physics
The University of
Chicago, Chicago, IL 60637, USA
2
AT&T Bell Laboratories, Murray Hill, NJ 07974, USA
Received:
18
September
1995
Accepted:
11
January
1996
We identify two distinct regimes in the high-frequency response of the insulating,
Ising spin-glass, 
. The asymptotic high-frequency
behavior of the imaginary part of the magnetic susceptibility becomes frequency
independent as the spin-glass transition is approached: the shortest and the
longest measured time scales both contain information about the actual phase
transition. We compare our results to corresponding data on supercooled liquids.
PACS: 75.50.Lk – Spin glasses and other random magnets / 75.40.Gb – Dynamic properties (dynamic susceptibility, spin waves, spin diffusion, dynamic scaling, etc.) / 64.70.Pf – Glass transitions
© EDP Sciences, 1996
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