The effect of pion mass on Skyrme configurations

Details The effect of pion mass on Skyrme configurations The effect of pion mass on Skyrme configurations

2006-02-22

arxiv.org/abs/hep-th/0602227v3

Europhys.Lett.77:11001,2007

Physics

High Energy Physics

High Energy Physics - Theory

6 pages, 3 figures; new data added, clarifications and typo corrections made; version to appear in Europhysics Letters

Scientific paper

10.1209/0295-5075/77/11001

In the Skyrme model, atomic nuclei are identified with solitonic configurations. If the pion mass is set to zero, these configurations are spherical shells of energy with a fullerene-like appearance and are well approximated by a simple rational map ansatz. Using simulated annealing, we have calculated minimum energy configurations for non-zero pion mass and have found that they are less round and are less well approximated by the rational map ansatz.

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