Physics – Condensed Matter – Disordered Systems and Neural Networks
Scientific paper
2001-12-20
Phys. Rev. Lett. 88, 257204 (2002)
Physics
Condensed Matter
Disordered Systems and Neural Networks
5 pages, 3 figures
Scientific paper
10.1103/PhysRevLett.88.257204
Non-equilibrium dynamics of three dimensional model spin glasses - the Ising system Fe$_{0.50}$Mn$_{0.50}$TiO$_3$ and the Heisenberg like system Ag(11 at% Mn) - has been investigated by measurements of the isothermal time decay of the low frequency ac-susceptibility after a quench from the paramagnetic to the spin glass phase. It is found that the relaxation data measured at different temperatures can be scaled according to predictions from the droplet scaling model, provided that critical fluctuations are accounted for in the analyzes.
Ito Akane
Jönsson Petra E.
Katori Hiroko Aruga
Nordblad Per
Yoshino Hajime
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