Battye, R.A. and Sutcliffe, P.M. (2005) Skyrmions and the pion mass. Nuclear Physics B, 705 (1-2). pp. 384-400. ISSN 0550-3213.
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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.
|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:||14 Jan 2010 14:29|
|Resource URI:||http://kar.kent.ac.uk/id/eprint/7978 (The current URI for this page, for reference purposes)|
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