Pseudospin Conserving Shell Model Interactions

Details Pseudospin Conserving Shell Model Interactions Pseudospin Conserving Shell Model Interactions

2010-06-30

arxiv.org/abs/1006.5954v1

Physics

Nuclear Physics

Nuclear Theory

8 pages

Scientific paper

Pseudospin symmetry is approximately conserved in nuclei. Normally shell model interactions are written in terms of spin an orbital angular momentum operators, not in terms of pseudospin and pseudo-orbital angular momentum operators. We determine the shell model interactions which conserve pseudospin symmetry and pseudo-orbital angular momentum symmetry and write them in terms of spin and orbital angular momentum operators including the tensor interaction. We show that, although the tensor interaction by itself does not conserve pseudo-orbital angular momentum, certain combinations of the tensor interaction with the two body angular momentum squared interaction and the two body spin orbit interaction do conserve pseudo-orbital angular momentum.

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