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Twenty years of auxiliary-field quantum Monte Carlo in quantum chemistry: An overview and assessment on main group chemistry and bond-breaking
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 …
(ph-AFQMC) approach from a computational quantum chemistry perspective and present a …
Variational benchmarks for quantum many-body problems
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 …
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
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 …
intensely studied, especially since the discovery of high-temperature cuprate …
Origin and fate of the pseudogap in the doped Hubbard model
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 …
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
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 …
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**
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 …
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
The square-lattice Hubbard and closely related tJ models are considered as basic
paradigms for understanding strong correlation effects and unconventional …
paradigms for understanding strong correlation effects and unconventional …
Phase Diagram, -Wave Superconductivity, and Pseudogap of the Model at Finite Temperature
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′) …
of the 2D tt′-J model—with both nearest-neighbor (t) and next-nearest-neighbor (t′) …
Pairing properties of the tt′-t ″-J model
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 …
″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
Competing and intertwined orders including inhomogeneous patterns of spin and charge
are observed in many correlated electron materials, such as high-temperature …
are observed in many correlated electron materials, such as high-temperature …