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

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.

17 pages, 11 figures, more condensed version

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Cited by in corpus (6)

• Phase Diagram of the Square-Lattice $t$-$J$-$V$ Model for Electron-Doped Cuprates
• Dynamic charge order from strong correlations in the cuprates
• Charge Collective Modes in Correlated Electron Systems: Plasmons Beyond the Random Phase Approximation
• Incommensurate magnetic order: A fingerprint for electronic correlations in hole-doped cuprates
• Geometric Frustration Assisted Kinetic Ferromagnetism in Doped Mott Insulators
• Probing quasiparticle excitations in a doped Mott insulator via Friedel oscillations