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Isospinning Skyrmions

Haberichter, Mareike (2014) Isospinning Skyrmions. In: Quarks-2014 Proceedings. .

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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) - Author's Accepted Manuscript
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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)
Projects: [159] Skyrmion-Skyrmion Scattering and Nuclear Physics Official URL
Subjects: Q Science > QC Physics > QC20 Mathematical Physics
Divisions: Faculties > Sciences > School of Mathematics Statistics and Actuarial Science > Applied Mathematics
Depositing User: Mareike Haberichter
Date Deposited: 14 Jan 2015 10:52 UTC
Last Modified: 29 May 2019 14:04 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/46672 (The current URI for this page, for reference purposes)

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