Baby Skyrmions stabilized by vector mesons

Details Baby Skyrmions stabilized by vector mesons Baby Skyrmions stabilized by vector mesons

2009-01-23

arxiv.org/abs/0901.3622v1

Phys.Rev.D79:125026,2009

Physics

High Energy Physics

High Energy Physics - Theory

9 pages, 3 figures

Scientific paper

10.1103/PhysRevD.79.125026

Recent results suggest that multi-Skyrmions stabilized by omega mesons have very similar properties to those stabilized by the Skyrme term. In this paper we present the results of a detailed numerical investigation of a (2+1)-dimensional analogue of this situation. Namely, we compute solitons in an O(3) sigma-model coupled to a massive vector meson and compare the results to baby Skyrmions, which are solitons in an O(3) sigma-model including a Skyrme term. We find that multi-solitons in the vector meson model are surprisingly similar to those in the baby Skyrme model, and we explain this correspondence using a simple derivative expansion.

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