[HTML][HTML] Progress on stochastic analytic continuation of quantum Monte Carlo data

H Shao, AW Sandvik - Physics Reports, 2023 - Elsevier
We report multipronged progress on the stochastic averaging approach to numerical
analytic continuation of imaginary-time correlation functions computed by quantum Monte …

Dirac-type nodal spin liquid revealed by refined quantum many-body solver using neural-network wave function, correlation ratio, and level spectroscopy

Y Nomura, M Imada - Physical Review X, 2021 - APS
Pursuing fractionalized particles that do not bear properties of conventional measurable
objects, exemplified by bare particles in the vacuum such as electrons and elementary …

Momentum space quantum monte carlo on twisted bilayer graphene

X Zhang, G Pan, Y Zhang, J Kang… - Chinese Physics …, 2021 - iopscience.iop.org
We report an implementation of the momentum space quantum Monte Carlo (QMC) method
on the interaction model for the twisted bilayer graphene (TBG). The long-range Coulomb …

Polynomial sign problem and topological Mott insulator in twisted bilayer graphene

X Zhang, G Pan, BB Chen, H Li, K Sun, ZY Meng - Physical Review B, 2023 - APS
We show that for the magic-angle twisted bilayer graphene (TBG) away from the charge
neutrality point, although quantum Monte Carlo (QMC) simulations suffer from the sign …

Sparse modeling in quantum many-body problems

J Otsuki, M Ohzeki, H Shinaoka… - journal of the physical …, 2020 - journals.jps.jp
This review paper describes the basic concept and technical details of sparse modeling and
its applications to quantum many-body problems. Sparse modeling refers to methodologies …

Triangular lattice quantum dimer model with variable dimer density

Z Yan, R Samajdar, YC Wang, S Sachdev… - Nature …, 2022 - nature.com
Quantum dimer models are known to host topological quantum spin liquid phases, and it
has recently become possible to simulate such models with Rydberg atoms trapped in …

Dynamical properties of quantum many-body systems with long-range interactions

M Song, J Zhao, C Zhou, ZY Meng - Physical Review Research, 2023 - APS
Employing large-scale quantum Monte Carlo simulations, we systematically compute the
energy spectra of the two-dimensional (2D) spin-1/2 Heisenberg model with long-range …

Kosterlitz-Thouless melting of magnetic order in the triangular quantum Ising material TmMgGaO4

H Li, YD Liao, BB Chen, XT Zeng, XL Sheng… - Nature …, 2020 - nature.com
Frustrated magnets hold the promise of material realizations of exotic phases of quantum
matter, but direct comparisons of unbiased model calculations with experimental …

Monte Carlo study of lattice compact quantum electrodynamics with fermionic matter: The parent state of quantum phases

XY Xu, Y Qi, L Zhang, FF Assaad, C Xu, ZY Meng - Physical Review X, 2019 - APS
The interplay between lattice gauge theories and fermionic matter accounts for fundamental
physical phenomena ranging from the deconfinement of quarks in particle physics to …

Landau-forbidden quantum criticality in Rydberg quantum simulators

JY Lee, J Ramette, MA Metlitski, V Vuletić, WW Ho… - Physical Review Letters, 2023 - APS
The Landau-Ginzburg-Wilson theory of phase transitions precludes a continuous transition
between two phases that spontaneously break distinct symmetries. However, quantum …