The effect of pion mass on Skyrme configurations

Conor Houghton; Shane Magee

doi:10.1209/0295-5075/77/11001

The effect of pion mass on Skyrme configurations

Conor Houghton, Shane Magee

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Abstract

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.

Original language	English
Article number	11001
Number of pages	3
Journal	EPL
Volume	77
Issue number	1
DOIs	https://doi.org/10.1209/0295-5075/77/11001
Publication status	Published - 22 Feb 2006

Bibliographical note

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

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hep-th

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10.1209/0295-5075/77/11001

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This is an author-created, un-copyedited version of an article accepted for publication in Europhysics Letters. The publisher is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at 10.1209/0295-5075/77/11001
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AU - Magee, Shane

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N2 - 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.

AB - 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.

KW - hep-th

U2 - 10.1209/0295-5075/77/11001

DO - 10.1209/0295-5075/77/11001

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JO - EPL

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The effect of pion mass on Skyrme configurations

Abstract

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