Intercalating LaXO3 (X=Al,Ga,Sc) into La2NiO4 electron-dopes Ni planes disorder-free, putting La2NiO4:La2AlO4 at optimal filling for d-wave Tc exceeding 50 K.
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17 Pith papers cite this work, alongside 1,155 external citations. Polarity classification is still indexing.
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Electron doping enhances s±-wave superconductivity in bulk La3Ni2O7 and its heterostructure with La3Al2O7, yielding highest Tc in the underdoped heterostructure via inter-orbital d_x2-y2 and d_z2 cooperation.
Particle doping of the triangular Hubbard model yields a Nagaoka supermetal whose anomalous transport and thermodynamic properties arise from a power-law divergent density of states at a higher-order Van Hove singularity.
Seven exact theorems for the Hubbard model on bipartite lattices d>1 are established from the [SU(2)×SU(2)×U(1)]/Z₂² symmetry.
In the Emery model, the maximum superconducting critical temperature increases with copper-oxygen energy distance at fixed charge gap, correlating with increased oxygen hole content and deeper charge-transfer character.
DMFT study of extended Hubbard model on triangular lattice reveals rich charge-order phase diagram with distinct pinball-liquid phases, tunable transition orders, and unexpected metallic region on electron-doped side.
Numerical evidence shows ω/T scaling in susceptibilities and 1/T cluster conductivity near the pseudogap QCP in the 2D Hubbard model, consistent with marginal-Fermi-liquid self-energy and strange-metal transport.
Numerical simulation of the 2D Hubbard model at U=7t, t'=-0.3t finds a critical doping p* where Fermi-liquid scales collapse continuously, marking a quantum phase transition to a pseudogap metal with Fermi arcs.
Neural networks trained with 10-100x fewer examples than prior work approximate CT-QMC impurity solvers in DMFT, delivering comparable accuracy on interpolation and accelerating simulations up to 5x when used as initial guesses for lower temperatures.
The information lattice distinguishes metals from insulators via power-law versus exponential decay of information per scale in 1D tight-binding models.
In the 2D Hubbard model, d-wave pairing is confined to superexchange frequencies with pair-forming processes at low frequencies and pair-breaking at higher ones, independent of the Hubbard U scale.
A strong-coupling perturbation in chemical potential and second-neighbor hopping around a sign-problem-free reference system yields accurate spectral functions for doped Hubbard models via lattice QMC.
CDMFT calculations on the Emery model show that charge-transfer gap size and oxygen hole content are two independent mechanisms controlling the maximum superconducting Tc, with oxygen hole content being the dominant driver.
Dual Fermion outperforms DMFT on thermodynamics, electronic structure and susceptibilities for the Falicov-Kimball model but is less accurate for orbital density versus chemical potential in the doped regime.
DFT+DMFT with a multi-orbital iterative perturbation theory solver shows that low-energy spectra and transport of SrVO3 are governed by a single quasiparticle weight Z, yielding reasonable experimental agreement insensitive to specific (U,J) parameters.
Cluster perturbation theory on the Hubbard model yields doping- and temperature-dependent electronic and spin spectra that qualitatively match cuprate experiments, with short-range antiferromagnetism implicated in pseudogap formation.
citing papers explorer
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Heterostructuring as Gateway to Electron Doping of Nickelate Superconductors
Intercalating LaXO3 (X=Al,Ga,Sc) into La2NiO4 electron-dopes Ni planes disorder-free, putting La2NiO4:La2AlO4 at optimal filling for d-wave Tc exceeding 50 K.
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Enhanced $s^\pm$-wave superconductivity in electron-doped La$_3$Ni$_2$O$_7$
Electron doping enhances s±-wave superconductivity in bulk La3Ni2O7 and its heterostructure with La3Al2O7, yielding highest Tc in the underdoped heterostructure via inter-orbital d_x2-y2 and d_z2 cooperation.
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Nagaoka supermetal in the particle-doped triangular Hubbard model
Particle doping of the triangular Hubbard model yields a Nagaoka supermetal whose anomalous transport and thermodynamic properties arise from a power-law divergent density of states at a higher-order Van Hove singularity.
-
Exact results for the Hubbard model on bipartite lattices in spatial dimensions $d>1$: Seven theorems from the full [SU(2)$\times$SU(2)$\times$U(1)]/$\mathbb{Z}_2^2$ symmetry
Seven exact theorems for the Hubbard model on bipartite lattices d>1 are established from the [SU(2)×SU(2)×U(1)]/Z₂² symmetry.
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Correlation of maximum superconducting critical temperature with copper-oxygen energy distance and oxygen hole content in the Emery model
In the Emery model, the maximum superconducting critical temperature increases with copper-oxygen energy distance at fixed charge gap, correlating with increased oxygen hole content and deeper charge-transfer character.
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Charge order on a triangular lattice with Mott physics and arbitrary charge density
DMFT study of extended Hubbard model on triangular lattice reveals rich charge-order phase diagram with distinct pinball-liquid phases, tunable transition orders, and unexpected metallic region on electron-doped side.
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Dynamical scaling near the pseudogap quantum critical point of the two-dimensional Hubbard model
Numerical evidence shows ω/T scaling in susceptibilities and 1/T cluster conductivity near the pseudogap QCP in the 2D Hubbard model, consistent with marginal-Fermi-liquid self-energy and strange-metal transport.
-
Quantum criticality in the two-dimensional Hubbard model
Numerical simulation of the 2D Hubbard model at U=7t, t'=-0.3t finds a critical doping p* where Fermi-liquid scales collapse continuously, marking a quantum phase transition to a pseudogap metal with Fermi arcs.
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Neural networks as low-cost surrogates for impurity solvers in quantum embedding methods
Neural networks trained with 10-100x fewer examples than prior work approximate CT-QMC impurity solvers in DMFT, delivering comparable accuracy on interpolation and accelerating simulations up to 5x when used as initial guesses for lower temperatures.
-
Information lattice approach to the metal-insulator transition
The information lattice distinguishes metals from insulators via power-law versus exponential decay of information per scale in 1D tight-binding models.
-
Dynamics of superconducting pairs in the two-dimensional Hubbard model
In the 2D Hubbard model, d-wave pairing is confined to superexchange frequencies with pair-forming processes at low frequencies and pair-breaking at higher ones, independent of the Hubbard U scale.
-
Perturbative solution of fermionic sign problem in lattice Quantum Monte Carlo
A strong-coupling perturbation in chemical potential and second-neighbor hopping around a sign-problem-free reference system yields accurate spectral functions for doped Hubbard models via lattice QMC.
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Charge-transfer gap size and oxygen hole content as two mechanisms controlling $T_c$ in the Emery model
CDMFT calculations on the Emery model show that charge-transfer gap size and oxygen hole content are two independent mechanisms controlling the maximum superconducting Tc, with oxygen hole content being the dominant driver.
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Benchmarking the Dual Fermion approach on the Falicov-Kimball model
Dual Fermion outperforms DMFT on thermodynamics, electronic structure and susceptibilities for the Falicov-Kimball model but is less accurate for orbital density versus chemical potential in the doped regime.
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Quantitative DFT+DMFT description of spectra and transport in the moderately correlated metal SrVO$_3$
DFT+DMFT with a multi-orbital iterative perturbation theory solver shows that low-energy spectra and transport of SrVO3 are governed by a single quasiparticle weight Z, yielding reasonable experimental agreement insensitive to specific (U,J) parameters.
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Doping- and temperature-dependent electronic structure and spin dynamics in the Hubbard model on a square lattice within cluster perturbation theory
Cluster perturbation theory on the Hubbard model yields doping- and temperature-dependent electronic and spin spectra that qualitatively match cuprate experiments, with short-range antiferromagnetism implicated in pseudogap formation.
- Perpendicular electric field induced competing $s^\pm$- and $d$-wave pairings in La$_3$Ni$_2$O$_7$ thin film