Haberichter, Mareike (2014) Isospinning Skyrmions. In: Quarks-2014 Proceedings. . (KAR id:46672)
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PDF (12 pages, 5 figures. Talk given at 18th International Seminar on High Energy Physics: Quarks - 2014, Suzdal, Russia, 2-8 June, 2014, typos corrected, references added)
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Official URL http://arxiv.org/abs/1411.4142 |
Abstract
In the Skyrme model atomic nuclei are modelled as quantized soliton solutions in a nonlinear field theory of pions. The mass number is given by the conserved topological charge B of the solitons. Conventionally, Skyrmions are semiclassically quantized within the rigid body approach. In this approach Skyrmions are effectively treated as rigid rotors in space and isospace that is it is assumed that Skyrmions do not deform at all when they spin and isospin. This approximation resulted in qualitative and encouraging quantitative agreement with experimental nuclear physics data. In this talk, we point out that the theoretical agreement could be further improved by allowing classical Skyrmion solutions to deform as they spin and isospin. As a first step towards a better understanding of how nuclei can be approximated by classically spinning and isospinning soliton solutions, we study how classical Skyrmion solutions of topological charges B=1?4,8 deform when classical isospin is added.
Item Type: | Conference or workshop item (Proceeding) |
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Projects: | [159] Skyrmion-Skyrmion Scattering and Nuclear Physics Official URL |
Subjects: | Q Science > QC Physics > QC20 Mathematical Physics |
Divisions: | Divisions > Division of Computing, Engineering and Mathematical Sciences > School of Mathematics, Statistics and Actuarial Science |
Depositing User: | Mareike Haberichter |
Date Deposited: | 14 Jan 2015 10:52 UTC |
Last Modified: | 16 Feb 2021 13:22 UTC |
Resource URI: | https://kar.kent.ac.uk/id/eprint/46672 (The current URI for this page, for reference purposes) |
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Isospinning Skyrmions. (deposited 18 Nov 2014 10:09)
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