Magnetic resonance in the cuprates -- exciton, plasmon, or π-mode

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dc.creatorHao, Zhihao
dc.creatorChubukov, Andrey V.
dc.date2008-12-14
dc.date.accessioned2026-07-07T12:12:50Z
dc.date.available2026-07-07T12:12:50Z
dc.descriptionWe re-analyzed the issue whether the resonance peak observed in neutron scattering experiments on the cuprates is an exciton, a π-resonance, or a magnetic plasmon. We considered a toy model with on-cite Hubbard U and nearest-neighbor interactions in both charge and spin channels. We found that the resonance is predominantly an exciton, even if magnetic interaction is absent and d-wave pairing originates from attractive density-density interaction. Our results indicate that one cannot distinguish between spin and charge-mediated pairing interactions by just looking at the resonance peak in the dynamic spin susceptibility.
dc.description5 pp, 5 figures, submitted to PRB
dc.identifierhttps://arxiv.org/abs/0812.2697
dc.identifierhttp://arxiv.org/abs/0812.2697
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/210673
dc.subjectStrongly Correlated Electrons
dc.titleMagnetic resonance in the cuprates -- exciton, plasmon, or π-mode
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