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Impact of two-body currents on magnetic dipole moments of nuclei
T. Miyagi, X. Cao, R. Seutin +5
We investigate the effects of two-body currents on magnetic dipole moments of medium-mass and heavy nuclei using the valence-space in-medium similarity renormalization group with c…
Magnetic dipole operator from chiral effective field theory for many-body expansion methods
R. Seutin, O. J. Hernandez, T. Miyagi +4
Many-body approaches for atomic nuclei generally rely on a basis expansion of the nuclear states, interactions, and current operators. In this work, we derive the representation of…
Randomized Low-Rank Decompositions of Nuclear Three-Body Interactions
A. Tichai, P. Arthuis, K. Hebeler +5
First-principles simulations of many-fermion systems are commonly limited by the computational requirements of processing large data objects. As a remedy, we propose the use of low…
Eigenvector continuation for the pairing Hamiltonian
Margarida Companys Franzke, Alexander Tichai, Kai Hebeler +1
The development of emulators for the evaluation of many-body observables has gained increasing attention over the last years. In particular the framework of eigenvector continuatio…