4 papers
Neural quantum states in condensed matter: advances, best practices, and prospects
Jonas B. Rigo, Björn J. Wurst, Rajah Nutakki +2
Neural quantum states provide flexible variational representations of quantum many-body wave functions by combining neural-network parametrizations with Monte Carlo sampling. In th…
Compressed minimum-purity time evolution for late-time quantum dynamics
Moksh Bhateja, Jonas B. Rigo, Markus Schmitt
Unitary time evolution of initially simple quantum many-body states rapidly generates entanglement and complex correlations, which limits direct numerical simulations. The late-tim…
Operator Lanczos Approach enabling Neural Quantum States as Real-Frequency Impurity Solvers
Jonas B. Rigo, Markus Schmitt
To understand the intricate exchange between electrons of different bands in strongly correlated materials, it is essential to treat multi-orbital models accurately. For this purpo…
Unsupervised Learning of Effective Quantum Impurity Models
Jonas B. Rigo, Andrew K. Mitchell
Generalized quantum impurity models -- which feature a few localized and strongly-correlated degrees of freedom coupled to itinerant conduction electrons -- describe diverse physic…