Stripe order in the underdoped region of the two-dimensional Hubbard model

Abstract

Competing inhomogeneous orders are a central feature of correlated electron materials including the high-temperature superconductors. The two- dimensional Hubbard model serves as the canonical microscopic physical model for such systems. Multiple orders have been proposed in the underdoped part of the phase diagram, which corresponds to a regime of maximum numerical difficulty. By combining the latest numerical methods in exhaustive simulations, we uncover the ordering in the underdoped ground state. We find a stripe order that has a highly compressible wavelength on an energy scale of a few Kelvin, with wavelength fluctuations coupled to pairing order. The favored filled stripe order is different from that seen in real materials. Our results demonstrate the power of modern numerical methods to solve microscopic models even in challenging settings.

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• Degenerate orbital effect in a three orbital periodic Anderson model
• Scalable projected entangled-pair state representation of random quantum circuit states
• Simple Fermionic backflow states via a systematically improvable tensor decomposition
• Quantum colored strings in the hole-doped $t$-$J_z$ model
• Accelerating ground-state auxiliary-field quantum Monte Carlo simulations by delayed update and block force-bias update
• NNQS-AFQMC: Neural network quantum states enhanced fermionic quantum Monte Carlo
• Partial suppression of magnetism in the square lattice SU(3) Hubbard model
• Efficient iPEPS Simulation on the Honeycomb Lattice via QR-based CTMRG
• Finite temperature dopant-induced spin reorganization explored via tensor networks in the two-dimensional $t$-$J$ model
• Matrix-product-state-based band-Lanczos solver for quantum cluster approaches
• Dynamic charge order from strong correlations in the cuprates
• Controlling magnetic correlations in a driven Hubbard system far from half-filling
• Charge-Density-Wave State in Extremely Overdoped Cuprates Driven by Phonons
• Ferromagnetic diagonal stripe states in the two-dimensional Hubbard model with $U\lesssim \infty$
• Solving Fermi-Hubbard-type Models by Tensor Representations of Backflow Corrections
• Parameters dependent superconducting transition temperature in high temperature superconductors
• Strong Boundary and Trap Potential Effects on Emergent Physics in Ultra-Cold Fermionic Gases
• Quantum Monte Carlo study of the metal-insulator crossover in the square-lattice Hubbard model
• Magnetic phases of the periodic Anderson model in two dimensions
• Intrinsic Hallmarks of Phonon-Induced Charge Order in Cuprates
• Gor'kov-Hedin-Baym Equations for Quantum Many-Body Systems with Spin-Dependent Interactions
• Study of the triangular-lattice Hubbard model with constrained-path quantum Monte Carlo
• Quantum science with arrays of metastable helium-3 atoms
• Spin-stripes in the Hubbard model: a combined DMFT and Bethe-Salpeter analysis
• Anisotropic Thermal Transport in Superconductors with Coexisting Spin Density Waves
• Trimers in the Extended Hubbard Model
• Charge order dynamics in underdoped La${}_{1.6-\text{x}}$Nd${}_{0.4}$Sr${}_{\text{x}}$CuO${}_4$ revealed by electric pulses
• Efficient slave-boson approach for multiorbital two-particle response functions and superconductivity
• Spontaneous emergence of altermagnetism in the single-orbital extended Hubbard model
• Spinon Singlet Pairing: Origin of $d$-Wave Sign Structure in a Partially-Filled Stripe
• Engineering Hubbard models with gated two-dimensional moiré systems
• Photodynamic melting of phase-reversed charge stripes and enhanced condensation
• Magnetic correlations in the $SU(3)$ triangular-lattice $t$-$J$ model at finite doping
• Comparing Symmetrized Determinant Neural Quantum States for the Hubbard Model
• Accurate computation of the energy variance and $⟨⟨{\mathcal{L}}^{†}\mathcal{L}⟩⟩$ using iPEPS
• Superfluid dome in the spatially modulated two-dimensional XY model
• Theoretical perspectives on charge dynamics in high-temperature cuprate superconductors
• Grassmann tensor networks
• Phase coexistence in a half-filled extended Hubbard model
• Dual role of stripe phase on superconducting correlation in a bilayer square lattice
• Variational Monte Carlo study of stripes as a function of doping in the $t-t^{\prime }$ Hubbard model
• A full gap above the Fermi level: the charge density wave of monolayer VS2
• Enhanced superconducting correlations in the Emery model and its connections to strange metallic transport and normal state coherence
• Large Kohn anomaly and phonon collapse induced by charge density wave in UPt${}_2$Si${}_2$
• Improved Fast Randomized Iteration Approach to Full Configuration Interaction
• Coupled Hubbard ladders at weak coupling: Pairing and spin excitations