Spin dynamics by inelastic neutron scattering in YBCO
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Key features of Inelastic neutron scattering experiments in YBCO-based cuprates are discussed. We underline the importance of precise oxygen content determination in samples having similar TC as well as the resolution configuration used. This may explain the apparent contradictory results recently obtained by different groups.
PACS numbers74.20.Mn 25.40.Fq 74.72.Bk
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