Theory of RIXS in strongly correlated electron systems: Mott gap excitations in cuprates

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dc.creatorTohyama, T.
dc.creatorTsutsui, K.
dc.creatorMaekawa, S.
dc.date2005-12-16
dc.date.accessioned2026-07-07T06:53:24Z
dc.date.available2026-07-07T06:53:24Z
dc.descriptionWe theoretically examine the momentum dependence of resonant inelastic x-ray scattering (RIXS) spectrum for one-dimensional and two-dimensional cuprates based on the single-band Hubbard model with realistic parameter values. The spectrum is calculated by using the numerical diagonalization technique for finite-size clusters. We focus on excitations across the Mott gap and clarify spectral features coming from the excitations as well as the physics behind them. Good agreement between the theoretical and existing experimental results clearly demonstrates that the RIXS is a potential tool to study the momentum-dependent charge excitations in strongly correlated electron systems.
dc.description9 pages, 8 figures, Proceedings of 5th International Conference on Inelastic X-ray Scattering (IXS 2004)
dc.identifierhttps://arxiv.org/abs/cond-mat/0512364
dc.identifierhttp://arxiv.org/abs/cond-mat/0512364
dc.identifierJournal of Physics and Chemistry of Solids, 66, 2139-2144 (2005)
dc.identifierdoi:10.1016/j.jpcs.2005.09.010
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/105574
dc.subjectStrongly Correlated Electrons
dc.titleTheory of RIXS in strongly correlated electron systems: Mott gap excitations in cuprates
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