Misc,

Interplay of spin and charge order in the electron-doped cuprates

, , , , , and .
(2023)arxiv:2305.08900Comment: 17 pages, 11 figures, more condensed version.
DOI: https://doi.org/10.48550/arXiv.2305.08900

Abstract

We study magnetic and charge order in the electron-doped high-$T_c$ cuprates based on the one-band Hubbard model with onsite ($U$) and nearest-neighbor $(V)$ interactions. To investigate the interplay between the orders, we employ the Kotliar-Ruckenstein slave-boson method and analyze fluctuations descending from an antiferromagnetic parent state. Our analysis reveals incommensurate charge order whose ordering vector matches the doping-dependence of resonant inelastic x-ray scattering (RIXS) measurements in Nd$_2-x$Ce$_x$CuO$_4$ (NCCO). From our calculations of paramagnon dispersion as well as dynamical charge and spin structure factors, we reproduce all qualitative features of the RIXS signal.

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