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Physical Review Letters 83 (1999) 4269-4272
Dynamical Symmetry and Higher-Order Interactions
P. Van Isacker1

It is shown that the concept of dynamical symmetry is enriched by increasing the order of the interactions between the constituent particles of a given many-body system. The idea is illustrated with an analysis of the interacting boson model of nuclei which shows that higher-order interactions can give rise to a rotational spectrum with O(6) dynamical symmetry.
1 :  GANIL - Grand Accélérateur National d'Ions Lourds
Physique/Physique Nucléaire Théorique