Converging many-body perturbation theory for ab-initio nuclear structure: Brillouin-Wigner perturbation series for closed-shell nuclei

Convergence aspects of nuclear many-body perturbation theory for ground states of closed-shell nuclei are explored using a Brillouin-Wigner formulation with a new vertex function enabling high-order calculations. A general formalism for Hamiltonian partitioning and a convergence criterion for the pe...

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Autors principals:	Zhen Li, Nadezda A. Smirnova
Format:	Artigo
Idioma:	Inglês
Publicat:	Elsevier 2024-07-01
Col·lecció:	Physics Letters B
Matèries:	Many-body perturbation theory Brillouin-Wigner Convergence criterion Ground-state energy
Accés en línia:	http://www.sciencedirect.com/science/article/pii/S0370269324003071
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