Introduces an efficient SSE QMC algorithm with global updates and parallel tempering for mixed-dimensional models and applies it to map angle-dependent correlated insulators and Wigner-Mott states in M-point twisted AA-stacked SnSe2.
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Georges , author G
17 Pith papers cite this work. Polarity classification is still indexing.
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UNVERDICTED 17representative citing papers
Equilibrium quantum many-body methods are encoders from admissible states to represented variables, with exact decoders existing precisely when tasks are constant on encoder fibers.
Derives an explicit stability criterion for parquet fixed-point iterations showing convergence issues arise independently of vertex divergences and demonstrates a controlled stabilization method that reaches the physical solution across multiple divergence lines.
DMFT on the 2D Hubbard-Holstein model produces two Fermi-resonance peaks in electronic friction missed by MFT, with EF-LD simulations revealing substantial differences in electron population dynamics.
COO co-optimizes orbitals with TrimCI to absorb many-body correlations into the basis, cutting determinant count by orders of magnitude for iron-sulfur clusters versus localized bases or DMRG.
Tunneling spectroscopy reveals Hund-induced superdispersion in Sr2RuO4, matching DFT+DMFT predictions via non-monotonic real-part self-energy.
Low-order hybridization expansions fail in multi-orbital systems because the least correlated orbital suppresses correlation features across all orbitals through spurious couplings generated by the truncation.
DMET combined with SQD on IBM Eagle hardware achieves chemical accuracy for ground-state energies of low-symmetry ligand-like molecules.
COGITO creates accurate tight-binding models from DFT that match MLWF accuracy while keeping the orbitals chemically interpretable and projected onto atomic centers.
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.
VMC study of two-orbital Hubbard-Kanamori model finds s± superconductivity only near Mott state at half-filling with no orbital selectivity, unlike three-orbital models.
Derives static effective Hamiltonians via cRPA and mRPA downfolding with double-counting corrections and compares performance on benzene ground state and bond dissociation curves.
A semi-holographic model couples a fermion to a holographic composite sector, yielding poles-zeros duality in the Green's function that distinguishes metallic and Mott-insulating phases through choice of quantization.
DFT+DMFT calculations on americium show partial 5f delocalization under pressure with valence mixing and link high-pressure phase stability to symmetry-lowering Peierls distortions.
Adapted TEBD in star geometry is the most efficient MPS method for real-time evolution of Anderson impurity models among the tested combinations.
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.
Hybrid DFT finds Ge_Al antisites abundant in LaAlGe, donor-like and likely to electron-dope the material during growth.
citing papers explorer
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Mixed-dimensional quantum Monte Carlo studies of M-point moir\'e materials
Introduces an efficient SSE QMC algorithm with global updates and parallel tempering for mixed-dimensional models and applies it to map angle-dependent correlated insulators and Wigner-Mott states in M-point twisted AA-stacked SnSe2.
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Full-State and Reduced-Moment Encodings: A Representation-Level View of Equilibrium Quantum Many-Body Theory
Equilibrium quantum many-body methods are encoders from admissible states to represented variables, with exact decoders existing precisely when tasks are constant on encoder fibers.
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Stabilizing the parquet problem
Derives an explicit stability criterion for parquet fixed-point iterations showing convergence issues arise independently of vertex divergences and demonstrates a controlled stabilization method that reaches the physical solution across multiple divergence lines.
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A DMFT approach to evaluate electronic frictional effects near solid surfaces of strongly correlated systems
DMFT on the 2D Hubbard-Holstein model produces two Fermi-resonance peaks in electronic friction missed by MFT, with EF-LD simulations revealing substantial differences in electron population dynamics.
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Absorbing Many-Body Correlations into Core-Optimized Orbitals
COO co-optimizes orbitals with TrimCI to absorb many-body correlations into the basis, cutting determinant count by orders of magnitude for iron-sulfur clusters versus localized bases or DMRG.
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Revealing Hund superdispersion with tunneling spectroscopy
Tunneling spectroscopy reveals Hund-induced superdispersion in Sr2RuO4, matching DFT+DMFT predictions via non-monotonic real-part self-energy.
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Validity and Limits of Low Order Hybridization Expansion Approaches for Multi-Orbital Systems
Low-order hybridization expansions fail in multi-orbital systems because the least correlated orbital suppresses correlation features across all orbitals through spurious couplings generated by the truncation.
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Quantum Simulation of Ligand-like Molecules through Sample-based Quantum Diagonalization in Density Matrix Embedding Framework
DMET combined with SQD on IBM Eagle hardware achieves chemical accuracy for ground-state energies of low-symmetry ligand-like molecules.
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Crystal Orbital Guided Iteration to Atomic Orbitals: A Pathway to Chemically Adaptive Atomic Orbitals from DFT
COGITO creates accurate tight-binding models from DFT that match MLWF accuracy while keeping the orbitals chemically interpretable and projected onto atomic centers.
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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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Variational Monte Carlo study of a two-orbital Hubbard model for the iron pnictides
VMC study of two-orbital Hubbard-Kanamori model finds s± superconductivity only near Mott state at half-filling with no orbital selectivity, unlike three-orbital models.
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Static Effective Hamiltonians for Molecular Systems through RPA-based downfolding
Derives static effective Hamiltonians via cRPA and mRPA downfolding with double-counting corrections and compares performance on benzene ground state and bond dissociation curves.
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Poles-zeros duality in semi-holographic Mott insulators
A semi-holographic model couples a fermion to a holographic composite sector, yielding poles-zeros duality in the Green's function that distinguishes metallic and Mott-insulating phases through choice of quantization.
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Correlated 5f electronic states and phase stability in americium under high pressure: Insights from DFT+DMFT calculations
DFT+DMFT calculations on americium show partial 5f delocalization under pressure with valence mixing and link high-pressure phase stability to symmetry-lowering Peierls distortions.
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Comparison of MPS based real time evolution algorithms for Anderson Impurity Models
Adapted TEBD in star geometry is the most efficient MPS method for real-time evolution of Anderson impurity models among the tested combinations.
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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.
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Crystallographic defects in Weyl semimetal LaAlGe
Hybrid DFT finds Ge_Al antisites abundant in LaAlGe, donor-like and likely to electron-dope the material during growth.