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NSR database version of April 27, 2024.

Search: Author = A.M.Romero

Found 4 matches.

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2023PE17      Eur.Phys.J. A 59, 240 (2023)

A.Perez-Obiol, S.Masot-Llima, A.M.Romero, J.Menendez, A.Rios, A.Garcia-Saez, B.Julia-Diaz

Quantum entanglement patterns in the structure of atomic nuclei within the nuclear shell model

NUCLEAR STRUCTURE ^8,10,12Be, ^{18,20,22,24,26}O, ^{20,22,24,26,28}Ne, ^{42,44,46,48,50}Ca; analyzed available data; deduced single-orbital entropies, mutual information, Von Neumann entanglement entropies for the proton–neutron and opposite partitions.

doi: 10.1140/epja/s10050-023-01151-z
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2023ZH07      Phys.Rev. C 107, 024304 (2023)

X.Zhang, W.Lin, J.M.Yao, C.F.Jiao, A.M.Romero, T.R.Rodriguez, H.Hergert

Optimization of the generator coordinate method with machine-learning techniques for nuclear spectra and neutrinoless double-β decay: Ridge regression for nuclei with axial deformation

RADIOACTIVITY ⁷⁶Ge(2β^-);calculated 0νββ-decay nuclear matrix elements (NME) for the decay between ground states of ⁷⁶Ge and ⁷⁶Se. Statistical machine-learning (ML) algorithms applied with generator coordinate method (GCM), orthogonality condition, polinomial ridge regression and energy-transition orthogonality procedure.

NUCLEAR STRUCTURE ⁷⁶Ge, ⁷⁶Se; calculated low-lying levels, J, π. Subspace-reduction algorithm calculations based on generator coordinate method (GCM)+orthogonality condition(OC)+polinomial ridge regression (RR). Comparison to experimental data.

doi: 10.1103/PhysRevC.107.024304
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2022RO10      Phys.Rev. C 105, 064317 (2022)

A.M.Romero, J.Engel, H.L.Tang, S.E.Economou

Solving nuclear structure problems with the adaptive variational quantum algorithm

doi: 10.1103/PhysRevC.105.064317
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2021RO22      Phys.Rev. C 104, 054317 (2021)

A.M.Romero, J.M.Yao, B.Bally, T.R.Rodriguez, J.Engel

Application of an efficient generator-coordinate subspace-selection algorithm to neutrinoless double-β decay

RADIOACTIVITY ⁷⁶Ge(2β^-); calculated valence-space nuclear matrix elements (NMEs) for 0νββ decay mode with shell model, ab initio methods using the GCN2850 interaction, and the energy-transition-orthogonality procedure (ENTROP).

NUCLEAR STRUCTURE ⁷⁶Ge, ⁷⁶Se; calculated valence-space ground-state energies of ⁷⁶Ge and ⁷⁶Se in the natural basis, and the energy-transition-orthogonality procedure (ENTROP), positive-parity low-energy levels using three methods: shell-model code BIGSTICK, a gradient descent procedure, and by ENTROP, potential-energy surfaces in (β, γ) plane by ENTROP.

doi: 10.1103/PhysRevC.104.054317
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