Citation
M. Alba et S. Pouget, Dynamic critical behavior of disordered 3D Heisenberg ferromagnets, J MAGN MAGN, 226, 2001, pp. 542-544
Citations number
8
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
ISSN journal
03048853
→ ACNP
Volume
226
Year of publication
2001
Part
1
Pages
542 - 544
Database
ISI
SICI code
0304-8853(200105)226:<542:DCBOD3>2.0.ZU;2-W
Abstract
The influence of a strong disorder on the critical dynamics of an 3D Heisen
berg ferromagnet was investigated by high-resolution quasi-elastic neutron
scattering. A new disordered-induced dynamical critical behavior was found,
characterized by its critical exponent z = 2.3. The dynamical scaling func
tion appeared mainly unaffected by disorder but its description led to a ne
w parameterization of the renormalization group theory, as in the case of p
ure nickel. (C) 2001 Elsevier Science B.V. All rights reserved.