RELAXATION MEASUREMENTS IN THE SYSTEM CaF2 : Fe2+

Note that besides being a valid relaxation of the RCPSP, the problem (P ∆ ) can be used in a project planning context, when resource consumption have to be aggregated over sev-

At a constant temperature, the time dependence of the recovery of the magnetization is found to change from exponential behavior, for tipping-angles smaller than €Ic, to

L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des

The calculated SEDM lineshape using the superoperator formalism and assuming this spin flip relaxation mechanism shows a peak at this position for a rela- xation time of te =

Namely in low temperature source experiments (TC5K)two excited electronic levels of Fe 2+ in ZnS remain populated out of thermal equili- brium after the decay of the

amplitude modes in the biaxial phase mix the components of biaxiality and birefringence of the order parameter, the critical (quasi-biaxial) mode presenting

Môssbauer lineshape the frequency shifts associated with relaxation are negligible with respect to the damping contribution, while in the resolvent method. they are

- AS an example, let us consider a rare-earth ion with total angular momentum J, in a cubic field where its lowest electronic state is a Kramers doublet, and assume that