%0 Journal Article %T Pressure dependence of the spin dynamics around a quantum critical point : An inelastic neutron scattering study of Ce0.87La0.13Ru2Si2 %A S. Raymond %A L. P. Regnault %A J. Flouquet %A A. Wildes %A P. Lejay %J Physics %D 2001 %I arXiv %R 10.1088/0953-8984/13/36/306 %X Inelastic neutron scattering experiments performed on a single crystal of the antiferromagnetic compound Ce$_{0.87}$La$_{0.13}$Ru$_{2}$Si$_{2}$ under applied pressures of up to 5 kbar are reported. A quantum critical point is reached at around 2.6 kbar where long-range magnetic order disappears. The variation of the characteristic energy scales with respect to temperature and pressure is followed and found to saturate in the ordered phase. %U http://arxiv.org/abs/cond-mat/0102427v1