We construct an efficient emulator for two-body scattering observables using the general
(complex) Kohn variational principle and trial wave functions derived from eigenvector …

We develop a class of emulators for solving quantum three-body scattering problems. They
are based on combining the variational method for scattering observables and the recently …

Eigenvector continuation (EC) has been shown to accurately and efficiently reproduce
ground states for targeted sets of Hamiltonian parameters. It uses as variational basis …

Emulators for low-energy nuclear physics can provide fast and accurate predictions of
bound-state and scattering observables for applications that require repeated calculations …

We combine Newton's variational method with ideas from eigenvector continuation to
construct a fast & accurate emulator for two-body scattering observables. The emulator will …

Uncertainty quantification has become increasingly more prominent in nuclear physics over
the past several years. In few-body reaction theory, there are four main sources that …

The BUQEYE collaboration (Bayesian Uncertainty Quantification: Errors in Your effective
field theory) presents a pedagogical introduction to projection-based, reduced-order …

Variational principles for symmetric complex scattering matrices (eg, the S matrix or the T
matrix) based on the Kohn variational principle have been thought to be free from …

Eigenvector continuation (EC) has recently attracted a lot attention in nuclear structure and
reactions as a variational resummation tool for many-body expansions. While previous …

Quantum computing may offer the opportunity to simulate strongly interacting field theories,
such as quantum chromodynamics, with physical time evolution. This would give access to …