Volume 77, Number 1, January 2007
|Number of page(s)||3|
|Section||The Physics of Elementary Particles and Fields|
|Published online||21 December 2006|
The effect of pion mass on Skyrme configurations
School of Mathematics, Trinity College Dublin - Dublin 2, Ireland
Accepted: 7 November 2006
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.
PACS: 12.39.Dc – Skyrmions
© Europhysics Letters Association, 2007
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