Conférences et séminaires » Séminaire présenté par le Dr. Arnoldas DELTUVA, University of Lisboa
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Few-body scattering calculations : from nuclear reactions to cold atoms
Par : Dr. Arnoldas DELTUVA, University of Lisboa, Portugal
Date : mardi 13 mars 2012 à 11h00
Lieu : IPHC, Salle de Réunion 2e étage du Bâtiment 27
Three- and four-body scattering is described in the framework of Faddeev-type integral equations that are solved numerically using momentum-space partial-wave representation.
The Coulomb interaction between charged particles is included using the screening and renormalization method.
The technique is applied to three-nucleon hadronic and electromagnetic reactions and to low-energy four-nucleon elastic, transfer, and charge-exchange reactions.Furthermore, the method has been applied successfully to elastic,transfer, and breakup reactions in three-body-like nuclear systems.Examples are deuteron scattering on stable nuclei and proton scattering on weakly bound two-body systems such as one-neutron halo nuclei.
Finally, the technique has been extended to study the four-bosonuniversal
(Efimov) physics that may be realized in the systems of ultracoldatoms near Feshbach resonance.
Personne à contacter : Rimantas LAZAUSKAS