Neutron scattering studies on spin fluctuations in Sr2RuO4

K. Jenni, S. Kunkemöller, P. Steffens, Y. Sidis, R. Bewley, Z. Q. Mao, Y. Maeno, M. Braden

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11 Scopus citations


The magnetic excitations in Sr2RuO4 are studied by polarized and unpolarized neutron scattering experiments as a function of temperature. At the scattering vector of the Fermi-surface nesting with a half-integer out-of-plane component, there is no evidence for the appearance of a resonance excitation in the superconducting phase. The body of existing data indicates weakening of the scattered intensity in the nesting spectrum to occur at very low energies. The nesting signal persists up to 290 K but is strongly reduced. In contrast, a quasiferromagnetic contribution maintains its strength and still exhibits a finite width in momentum space.

Original languageEnglish (US)
Article number104511
JournalPhysical Review B
Issue number10
StatePublished - Mar 18 2021

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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