Recent advances for quantum neural networks in generative learning

J Tian, X Sun, Y Du, S Zhao, Q Liu… - … on Pattern Analysis …, 2023 - ieeexplore.ieee.org
Quantum computers are next-generation devices that hold promise to perform calculations
beyond the reach of classical computers. A leading method towards achieving this goal is …

Complex Langevin and other approaches to the sign problem in quantum many-body physics

CE Berger, L Rammelmüller, AC Loheac, F Ehmann… - Physics Reports, 2021 - Elsevier
We review the theory and applications of complex stochastic quantization to the quantum
many-body problem. Along the way, we present a brief overview of a number of ideas that …

Machine learning quantum phases of matter beyond the fermion sign problem

P Broecker, J Carrasquilla, RG Melko, S Trebst - Scientific reports, 2017 - nature.com
State-of-the-art machine learning techniques promise to become a powerful tool in statistical
mechanics via their capacity to distinguish different phases of matter in an automated way …

Quantum critical points and the sign problem

R Mondaini, S Tarat, RT Scalettar - Science, 2022 - science.org
The “sign problem”(SP) is a fundamental limitation to simulations of strongly correlated
matter. It is often argued that the SP is not intrinsic to the physics of particular Hamiltonians …

Towards quantum computing phase diagrams of gauge theories with thermal pure quantum states

Z Davoudi, N Mueller, C Powers - Physical Review Letters, 2023 - APS
The phase diagram of strong interactions in nature at finite temperature and chemical
potential remains largely theoretically unexplored due to inadequacy of Monte-Carlo–based …

Fermionic Monte Carlo study of a realistic model of twisted bilayer graphene

JS Hofmann, E Khalaf, A Vishwanath, E Berg, JY Lee - Physical Review X, 2022 - APS
The rich phenomenology of twisted bilayer graphene (TBG) near the magic angle is
believed to arise from electron correlations in topological flat bands. An unbiased approach …

Variational quantum Boltzmann machines

C Zoufal, A Lucchi, S Woerner - Quantum Machine Intelligence, 2021 - Springer
This work presents a novel realization approach to quantum Boltzmann machines (QBMs).
The preparation of the required Gibbs states, as well as the evaluation of the loss function's …

Non-hermitian strongly interacting Dirac fermions

XJ Yu, Z Pan, L Xu, ZX Li - Physical Review Letters, 2024 - APS
Exotic quantum phases and phase transition in the strongly interacting Dirac systems have
attracted tremendous interests. On the other hand, non-Hermitian physics, usually …

Body-Centered Orthorhombic : A Novel Topological Node-Line Semimetal

JT Wang, H Weng, S Nie, Z Fang, Y Kawazoe, C Chen - Physical review letters, 2016 - APS
We identify by ab initio calculations a novel topological semimetal carbon phase in all-sp 2
bonding networks with a 16-atom body-centered orthorhombic unit cell, termed bco-C 16 …

Ising nematic quantum critical point in a metal: A Monte Carlo study

Y Schattner, S Lederer, SA Kivelson, E Berg - Physical Review X, 2016 - APS
The Ising nematic quantum critical point associated with the zero-temperature transition from
a symmetric to a nematic metal is an exemplar of metallic quantum criticality. We carry out a …