Antiferromagnetism induced by bond Su-Schrieffer-Heeger electron-phonon coupling: A quantum Monte Carlo study

X Cai, ZX Li, H Yao - Physical review letters, 2021 - APS
Antiferromagnetism (AFM) such as Néel ordering is often closely related to Coulomb
interactions such as Hubbard repulsion in two-dimensional (2D) systems. Whether Néel …

Robustness of antiferromagnetism in the Su-Schrieffer-Heeger Hubbard model

X Cai, ZX Li, H Yao - Physical Review B, 2022 - APS
We recently unveiled that antiferromagnetism (AFM) order can be dominantly induced by the
bond Su-Schrieffer-Heeger (SSH) electron-phonon coupling (EPC), which is beyond the …

The ALF (Algorithms for Lattice Fermions) project release 2.0. Documentation for the auxiliary-field quantum Monte Carlo code

FF Assaad, M Bercx, F Goth, A Götz… - SciPost Physics …, 2022 - scipost.org
Abstract The Algorithms for Lattice Fermions package provides a general code for the finite-
temperature and projective auxiliary-field quantum Monte Carlo algorithm. The code is …

Learning quantum phase transitions through topological data analysis

A Tirelli, NC Costa - Physical Review B, 2021 - APS
We implement a computational pipeline based on a recent machine learning technique,
namely, topological data analysis (TDA), that has the capability of extracting powerful …

A perspective on machine learning and data science for strongly correlated electron problems

S Johnston, E Khatami, R Scalettar - Carbon Trends, 2022 - Elsevier
Numerical approaches to the correlated electron problem have achieved considerable
success, yet are still constrained by several bottlenecks, including high order polynomial or …

A hybrid Monte Carlo study of bond-stretching electron–phonon interactions and charge order in BaBiO3

B Cohen-Stead, K Barros, R Scalettar… - npj Computational …, 2023 - nature.com
The relationship between electron–phonon (e-ph) interactions and charge-density-wave
(CDW) order in the bismuthate family of high-temperature superconductors remains …

Thermal Hall effect in the Kitaev-Heisenberg system with spin-phonon coupling

S Li, S Okamoto - Physical Review B, 2022 - APS
Motivated by the giant phonon anomalies in α-Ru Cl 3 reported by H. Li et al.[Nat. Commun.
12, 3513 (2021) 10.1038/s41467-021-23826-1], we investigate the thermal Hall effect in a …

Gutzwiller wave function on a quantum computer using a discrete Hubbard-Stratonovich transformation

K Seki, Y Otsuka, S Yunoki - Physical Review B, 2022 - APS
We propose a quantum-classical hybrid scheme for implementing the nonunitary Gutzwiller
factor using a discrete Hubbard-Stratonovich transformation, which allows us to express the …

Suppressed superexchange interactions in the cuprates by bond-stretching oxygen phonons

S Li, S Johnston - Physical Review B, 2023 - APS
We study a multiorbital Hubbard–Su-Schrieffer-Heeger model for the one-dimensional (1D)
corner-shared cuprates in the adiabatic and nonadiabatic limits using exact diagonalization …

Phonon-induced instabilities in correlated electron Hamiltonians

NK Yirga, KM Tam, DK Campbell - Physical Review B, 2023 - APS
Studies of Hamiltonians modeling electron-electron (ee) and electron-phonon (e-ph)
coupling have been fundamental in capturing the novel ordering seen in many quasi-one …