Evidence for incommensurate spin fluctuations in Sr_2RuO_4

Abstract

We report first inelastic neutron scattering measurements in the normal state of Sr_2RuO_4 that reveal the existence of incommensurate magnetic spin fluctuations located at ${\mathbf{q}}_0=(\pm 0.6\pi /a,\pm 0.6\pi /a,0)$. This finding confirms recent band structure calculations that have predicted incommensurate magnetic responses related to dynamical nesting properties of its Fermi surface.

References in corpus (4)

• Time-Reversal Symmetry Breaking Superconductivity in Sr2RuO4
• Electronic structure and magnetism in Ru based perovskites
• Ferromagnetic spin fluctuation induced superconductivity in Sr_2RuO_4
• Competitions in layered ruthenates: ferro- vs. antiferromagnetism and triplet vs. singlet pairing

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