Excited states from eigenvector continuation: the anharmonic oscillator

DOI10.1016/J.PHYSLETB.2022.137101zbMath1497.81124arXiv2108.02824OpenAlexW3187852325MaRDI QIDQ2672802

A. Tichai, Achim Schwenk, M. Companys Franzke, Kai Hebeler

Publication date: 13 June 2022

Published in: Physics Letters. B (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/2108.02824

zbMATH Keywords

\textit{ab initio} nuclear theoryeigenvector continuationground and excited states of strongly interacting systems

Mathematics Subject Classification ID

Nuclear physics (81V35) Variational methods applied to PDEs (35A15) Many-body theory; quantum Hall effect (81V70) Approximation to limiting values (summation of series, etc.) (40A25) Inelastic and multichannel quantum scattering (81U35)

Cites Work

• Efficient emulators for scattering using eigenvector continuation
• Three-nucleon forces: implementation and applications to atomic nuclei and dense matter
• Bogoliubov many-body perturbation theory under constraint
• Fast \& accurate emulation of two-body scattering observables without wave functions

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