We review the Lorentz integral transform coupled-cluster method for the calculation of the electric dipole polarizability. We benchmark our results with exact hyperspherical harmonics calculations for He-4 and then we move to a heavier nucleus studying O-16 We observe that the implemented chiral nucleon-nucleon interaction at next-to-next-to-next-to-leading order underestimates the electric dipole polarizability.
Electric dipole polarizability: from few- to many-body systems / Miorelli, Mirko; Bacca, Sonia; Barnea, Nir; Hagen, Gaute; Orlandini, Giuseppina; Papenbrock, Thomas. - In: EPJ WEB OF CONFERENCES. - ISSN 2100-014X. - STAMPA. - 113:(2016). (Intervento presentato al convegno 21st International Conference on Few-Body Problems in Physics (FB21) tenutosi a Chicago, IL nel MAY 18-22, 2015) [10.1051/epjconf/201611304007].
Electric dipole polarizability: from few- to many-body systems
Orlandini, Giuseppina;
2016-01-01
Abstract
We review the Lorentz integral transform coupled-cluster method for the calculation of the electric dipole polarizability. We benchmark our results with exact hyperspherical harmonics calculations for He-4 and then we move to a heavier nucleus studying O-16 We observe that the implemented chiral nucleon-nucleon interaction at next-to-next-to-next-to-leading order underestimates the electric dipole polarizability.| File | Dimensione | Formato | |
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