Nonequilibrium resonant inelastic x-ray scattering study of an electron-phonon model

نویسندگان

چکیده

We use the nonequilibrium dynamical mean-field theory formalism to compute equilibrium and resonant inelastic x-ray scattering (RIXS) signal of a strongly interacting fermionic lattice model with coupling dispersionless phonons total charge on given site. In atomic limit, this produces phonon subbands in spectral function, but not RIXS signal. Electron hopping processes however result phonon-related modifications excitation peak. discuss spectra characteristic features states induced by photo-doping application static electric field. The latter related Wannier-Stark states, which are dressed sidebands. Thanks effect field-induced localization, can be clearly resolved even systems weak electron-phonon coupling.

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ژورنال

عنوان ژورنال: Physical Review B

سال: 2021

ISSN: ['1098-0121', '1550-235X', '1538-4489']

DOI: https://doi.org/10.1103/physrevb.104.085155