Strong electron correlations in Sr2RuO4 produce unconventional plasmon dispersion, intrinsic width below the electron-hole continuum, and a high-energy peak from incoherent transitions.
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Spin-polaron quasiparticles explain the leading optical conductivity peak in iridates, reproduced by DMFT and SCBA calculations that also match ARPES features in both undoped and lightly doped Sr2IrO4.
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Unconventional plasmon dynamics due to strong correlations in Sr$_2$RuO$_4$
Strong electron correlations in Sr2RuO4 produce unconventional plasmon dispersion, intrinsic width below the electron-hole continuum, and a high-energy peak from incoherent transitions.
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Spin-polaron fingerprints in the optical conductivity of iridates
Spin-polaron quasiparticles explain the leading optical conductivity peak in iridates, reproduced by DMFT and SCBA calculations that also match ARPES features in both undoped and lightly doped Sr2IrO4.