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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…
Projected Coupled Cluster Theory: Optimization of cluster amplitudes in the presence of symmetry projection
Yiheng Qiu, Thomas M. Henderson, Jinmo Zhao +1
Methods which aim at universal applicability must be able to describe both weak and strong electronic correlation with equal facility. Such methods are in short supply. The combina…
Particle-number projected Bogoliubov coupled cluster theory. Application to the pairing Hamiltonian
Y. Qiu, T. M. Henderson, T. Duguet +1
While coupled cluster theory accurately models weakly correlated quantum systems, it often fails in the presence of strong correlations where the standard mean-field picture is qua…