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Physical Review C
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Physical Review C
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Approximate solutions for the Skyrmion

Authors: Ponciano, Juan Adolfo; Epele, Luis Nicolás; Fanchiotti, Huner; García Canal, Carlos Alberto;

Approximate solutions for the Skyrmion

Abstract

We reconsider the Euler-Lagrange equation for the Skyrme model in the hedgehog ansatz and study the analytical properties of the solitonic solution. In view of the lack of a closed form solution to the problem, we work on approximate analytical solutions. We show that Pade approximants are well suited to continue analytically the asymptotic representation obtained in terms of a power series expansion near the origin, obtaining explicit approximate solutions for the Skyrme equations. We improve the approximations by applying the 2-point Pade approximant procedure whereby the exact behaviour at spatial infinity is incorporated. An even better convergence to the exact solution is obtained by introducing a modified form for the approximants. The new representations share the same analytical properties with the exact solution at both small and large values of the radial variable r.

15 pages, 5 figures. 1 Reference added

Country
Argentina
Related Organizations
Keywords

Quantum electrodynamics, Physics, Física, FOS: Physical sciences, Power series, Ansatz, Applied mathematics, Convergence (routing), High Energy Physics - Phenomenology, Padé approximant, High Energy Physics - Phenomenology (hep-ph), Exact solutions in general relativity, Skyrmion, Soliton, Closed-form expression

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
4
Average
Average
Average
Green
hybrid