Low-energy magnetic response of the noncentrosymmetric heavy-fermion superconductor CePt3Si studied via inelastic neutron scattering

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dc.creatorFak, B.
dc.creatorRaymond, S.
dc.creatorBraithwaite, D.
dc.creatorLapertot, G.
dc.creatorMignot, J. -M.
dc.date2008-08-19
dc.date2008-10-02
dc.date.accessioned2026-07-07T12:05:57Z
dc.date.available2026-07-07T12:05:57Z
dc.descriptionThe low-energy magnetic excitations of the noncentrosymmetric heavy-fermion superconductor CePt3Si have been measured with inelastic neutron scattering on a single crystal. Kondo-type spin fluctuations with an anisotropic wave vector dependence are observed in the paramagnetic state. These fluctuations do not survive in the antiferromagnetically ordered state below TN=2.2 K but are replaced by damped spin waves, whose dispersion is much stronger along the c-axis than in other directions. No change is observed in the excitation spectrum or the magnetic order as the system enters the superconducting state below Tc=0.7 K.
dc.descriptionRevised version: 8 pages, 7 figures
dc.identifierhttps://arxiv.org/abs/0808.2580
dc.identifierhttp://arxiv.org/abs/0808.2580
dc.identifierPhys. Rev. B 78 (2008) 184518
dc.identifierdoi:10.1103/PhysRevB.78.184518
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/208521
dc.subjectStrongly Correlated Electrons
dc.subjectSuperconductivity
dc.titleLow-energy magnetic response of the noncentrosymmetric heavy-fermion superconductor CePt3Si studied via inelastic neutron scattering
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