Ab initio calculation of real solids via neural network ansatz

X Li, Z Li, J Chen - Nature Communications, 2022 - nature.com
Neural networks have been applied to tackle many-body electron correlations for small
molecules and physical models in recent years. Here we propose an architecture that …

Fault-tolerant quantum simulation of materials using Bloch orbitals

NC Rubin, DW Berry, FD Malone, AF White, T Khattar… - PRX Quantum, 2023 - APS
The simulation of chemistry is among the most promising applications of quantum
computing. However, most prior work exploring algorithms for block encoding, time evolving …

A shortcut to the thermodynamic limit for quantum many-body calculations of metals

TN Mihm, T Schäfer, SK Ramadugu, L Weiler… - Nature Computational …, 2021 - nature.com
Computationally efficient and accurate quantum mechanical approximations to solve the
many-electron Schrödinger equation are crucial for computational materials science …

Fast and accurate quantum Monte Carlo for molecular crystals

A Zen, JG Brandenburg, J Klimeš… - Proceedings of the …, 2018 - National Acad Sciences
Computer simulation plays a central role in modern-day materials science. The utility of a
given computational approach depends largely on the balance it provides between …

Phase diagram of hydrogen and a hydrogen-helium mixture at planetary conditions by Quantum Monte Carlo simulations

G Mazzola, R Helled, S Sorella - Physical review letters, 2018 - APS
Understanding planetary interiors is directly linked to our ability of simulating exotic quantum
mechanical systems such as hydrogen (H) and hydrogen-helium (H-He) mixtures at high …

Carbon nanotubes as excitonic insulators

D Varsano, S Sorella, D Sangalli, M Barborini… - Nature …, 2017 - nature.com
Abstract Fifty years ago Walter Kohn speculated that a zero-gap semiconductor might be
unstable against the spontaneous generation of excitons–electron–hole pairs bound …

Nematic metal in a multivalley electron gas: Variational Monte Carlo analysis and application to AlAs

A Valenti, V Calvera, SA Kivelson, E Berg, SD Huber - Physical Review Letters, 2024 - APS
The two-dimensional electron gas is of fundamental importance in quantum many-body
physics. We study a minimal extension of this model with C 4 (as opposed to full rotational) …

The role of electron correlations in the electronic structure of putative Chern magnet TbMn6Sn6

A Annaberdiyev, S Mandal, L Mitas, JT Krogel… - npj Quantum …, 2023 - nature.com
A member of the RMn6Sn6 rare-earth family materials, TbMn6Sn6, recently showed
experimental signatures of the realization of a quantum-limit Chern magnet. In this work, we …

Superconductivity, charge-density waves, antiferromagnetism, and phase separation in the Hubbard-Holstein model

S Karakuzu, LF Tocchio, S Sorella, F Becca - Physical Review B, 2017 - APS
By using variational wave functions and quantum Monte Carlo techniques, we investigate
the interplay between electron-electron and electron-phonon interactions in the two …

Correlation-driven dimerization and topological gap opening in isotropically strained graphene

S Sorella, K Seki, OO Brovko, T Shirakawa… - Physical Review Letters, 2018 - APS
The phase diagram of isotropically expanded graphene cannot be correctly predicted by
ignoring either electron correlations, or mobile carbons, or the effect of applied stress, as …