95 citations · 1k across the 42 of their papers we have counts for
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Tensor-decomposition techniques for ab initio nuclear structure calculations. From chiral nuclear potentials to ground-state energies
Alexander Tichai, Roman Schutski, Gustavo E. Scuseria +1
The impact of applying state-of-the-art tensor factorization techniques to modern nuclear Hamiltonians derived from chiral effective field theory is investigated. Subsequently, the…
ADG: Automated generation and evaluation of many-body diagrams I. Bogoliubov many-body perturbation theory
Pierre Arthuis, Thomas Duguet, Alexander Tichai +2
We describe the first version (v1.0.0) of the code ADG that automatically (1) generates all valid Bogoliubov many-body perturbation theory (BMBPT) diagrams and (2) evaluates their…
Natural orbitals for ab initio no-core shell model calculations
Alexander Tichai, Julius Müller, Klaus Vobig +1
We explore the impact of optimizations of the single-particle basis on the convergence behavior and robustness of ab initio no-core shell model calculations. Our focus is on novel…
Bogoliubov Many-Body Perturbation Theory for Open-Shell Nuclei
Alexander Tichai, Pierre Arthuis, Thomas Duguet +3
A novel Rayleigh-Schrödinger many-body perturbation theory (MBPT) approach is introduced by making use of a particle-number-breaking Bogoliubov reference state to tackle (near-)deg…