Skyrmions and the pion mass

Battye, Richard A. and Sutcliffe, Paul M. (2005) Skyrmions and the pion mass. Nuclear Physics B, 705 (1-2). pp. 384-400. ISSN 0550-3213. (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

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We present numerical evidence that suggests the introduction of a nonzero pion mass might dramatically affect the structure of minimal energy skyrmions. It appears that the shell-like skyrmions which are the minima when the pions are massless can fail to be minimal energy bound states for particular baryon numbers, with a strong dependence upon the value of the pion mass. The effects of a pion mass may include the replacement of shell-like configurations with crystal chunks and the loss of shell-like bound states with baryon numbers five and eight; which is in agreement with expectations based on real nuclei. (C) 2004 Elsevier B.V. All rights reserved.

Item Type: Article
Uncontrolled keywords: Rational Maps; Model; Nuclei
Subjects: Q Science > QA Mathematics (inc Computing science)
Divisions: Faculties > Science Technology and Medical Studies > School of Mathematics Statistics and Actuarial Science > Applied Mathematics
Depositing User: Judith Broom
Date Deposited: 05 Sep 2008 13:44
Last Modified: 17 Jun 2014 10:33
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