RIXS spectra of the Hubbard-SSH model show SSH phonons appearing as multi-particle excitations redshifted below the phonon dispersion, providing a fingerprint for identifying SSH-like interactions.
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Identifying and quantifying Su-Schrieffer-Heeger-like interactions with RIXS
RIXS spectra of the Hubbard-SSH model show SSH phonons appearing as multi-particle excitations redshifted below the phonon dispersion, providing a fingerprint for identifying SSH-like interactions.