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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…
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…
Quasiparticle Coupled Cluster Theory for Pairing Interactions
Thomas M Henderson, Jorge Dukelsky, Gustavo E. Scuseria +2
We present an extension of the pair coupled cluster doubles (p-CCD) method to quasiparticles and apply it to the attractive pairing Hamiltonian. Near the transition point where num…