version française rss feed
HAL : in2p3-00585181, version 1

Fiche détaillée  Récupérer au format
European Physical Journal A 47 (2011) 57
The Nuclear Yukawa Model on a Lattice
F. De Soto1, Jean-Christian Anglès D'Auriac2, J. Carbonell2

We present the results of the quantum field theory approach to nuclear Yukawa model obtained by standard lattice techniques. We have considered the simplest case of two identical fermions interacting via a scalar meson exchange. Calculations have been performed using Wilson fermions in the quenched approximation. We found the existence of a critical coupling constant above which the model cannot be numerically solved. The range of the accessible coupling constants is below the threshold value for producing two-body bound states. Two-body scattering lengths have been obtained and compared to the non relativistic results.
1 :  Departamento de Sistemas Fisicos, Quimicos y Naturales
2 :  LPSC - Laboratoire de Physique Subatomique et de Cosmologie
Physique/Physique des Hautes Energies - Réseau

Physique/Physique Nucléaire Théorique
Lien vers le texte intégral :