360 citations · 1.2k across the 17 of their papers we have counts for
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Spin Glasses: A Ghost Story
P. E. Jönsson, R. Mathieu, P. Nordblad +3
Extensive experimental and numerical studies of the non-equilibrium dynamics of spin glasses subjected to temperature or bond perturbations have been performed to investigate chaos…
Fragility of the spin-glass-like collective state to a magnetic field in an interacting Fe-C nanoparticle system
P. E. Jönsson, S. Felton, P. Svedlindh +2
The effect of applied magnetic fields on the collective nonequilibrium dynamics of a strongly interacting Fe-C nanoparticle system has been investigated. It is experimentally shown…
Memory and chaos in an Ising spin glass
R. Mathieu, P. E. Jönsson, P. Nordblad +2
The non-equilibrium dynamics of the model 3d-Ising spin glass - FeMnTiO - has been investigated from the temperature and time dependence of the zero field coo…
Relaxation time of weakly interacting superparamagnets
P. E. Jönsson, J. L. Garcia-Palacios
The relaxation time of weakly interacting classical spins is calculated by introducing the averages of the local dipolar field, obtained by thermodynamic perturbation theory, in a…
Thermodynamic perturbation theory for dipolar superparamagnets
P. E. Jönsson, J. L. Garcia-Palacios
Thermodynamic perturbation theory is employed to derive analytical expressions for the equilibrium linear susceptibility and specific heat of lattices of anisotropic classical spin…
Spin glass like transition in a highly concentrated Fe-C nanoparticle system
P. Jönsson, P. Svedlindh, P. Nordblad +1
A highly concentrated (17 vol.%) Fe-C nano-particle system, with a narrow size distribution nm, has been investigated using magnetic ac susceptibility measurements…