Twenty years of auxiliary-field quantum Monte Carlo in quantum chemistry: An overview and assessment on main group chemistry and bond-breaking

J Lee, HQ Pham, DR Reichman - Journal of Chemical Theory and …, 2022‏ - ACS Publications
In this work, we present an overview of the phaseless auxiliary-field quantum Monte Carlo
(ph-AFQMC) approach from a computational quantum chemistry perspective and present a …

Variational benchmarks for quantum many-body problems

D Wu, R Rossi, F Vicentini, N Astrakhantsev, F Becca… - Science, 2024‏ - science.org
The continued development of computational approaches to many-body ground-state
problems in physics and chemistry calls for a consistent way to assess its overall progress …

Coexistence of superconductivity with partially filled stripes in the Hubbard model

H Xu, CM Chung, M Qin, U Schollwöck, SR White… - Science, 2024‏ - science.org
The Hubbard model is an iconic model in quantum many-body physics and has been
intensely studied, especially since the discovery of high-temperature cuprate …

Origin and fate of the pseudogap in the doped Hubbard model

F Šimkovic IV, R Rossi, A Georges, M Ferrero - Science, 2024‏ - science.org
The relationship between the pseudogap and underlying ground-state phases has not yet
been rigorously established. We investigated the doped two-dimensional Hubbard model at …

Tangent space approach for thermal tensor network simulations of the 2D Hubbard model

Q Li, Y Gao, YY He, Y Qi, BB Chen, W Li - Physical Review Letters, 2023‏ - APS
Accurate simulations of the two-dimensional (2D) Hubbard model constitute one of the most
challenging problems in condensed matter and quantum physics. Here we develop a …

Density matrix renormalization group based downfolding of the three-band Hubbard model: Importance of density-assisted hop**

S Jiang, DJ Scalapino, SR White - Physical Review B, 2023‏ - APS
Typical Wannier-function downfolding starts with a mean-field or density functional set of
bands to construct the Wannier functions. Here, we carry out a controlled approach, using …

Emergent Superconductivity and Competing Charge Orders in Hole-Doped Square-Lattice Model

X Lu, F Chen, W Zhu, DN Sheng, SS Gong - Physical Review Letters, 2024‏ - APS
The square-lattice Hubbard and closely related tJ models are considered as basic
paradigms for understanding strong correlation effects and unconventional …

Phase Diagram, -Wave Superconductivity, and Pseudogap of the Model at Finite Temperature

DW Qu, Q Li, SS Gong, Y Qi, W Li, G Su - Physical Review Letters, 2024‏ - APS
Recently, robust d-wave superconductive (SC) order has been unveiled in the ground state
of the 2D tt′-J model—with both nearest-neighbor (t) and next-nearest-neighbor (t′) …

Pairing properties of the tt′-t ″-J model

S Jiang, DJ Scalapino, SR White - Physical Review B, 2022‏ - APS
We study the pairing properties of the two-dimensional tt′-t ″-J model, where t′ and t
″are second and third neighbor hop**s, at a do** level x≈ 0.1. Recent studies of the …

Temperature dependence of spin and charge orders in the doped two-dimensional Hubbard model

B **ao, YY He, A Georges, S Zhang - Physical Review X, 2023‏ - APS
Competing and intertwined orders including inhomogeneous patterns of spin and charge
are observed in many correlated electron materials, such as high-temperature …