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VOLUME 73 (2001) | ISSUE 11 | PAGE 667
The bubbles of matter from multiskyrmions
PACS: 12.39.-x, 21.10.Dr
Abstract
Approximate analytical solutions describing the skyrmions given by rational map ansaetze are obtained. At large baryon numbers these solutions are similar to the domain wall, or to spherical bubbles with energy and baryon number density concentrated at their boundary. Rigorous upper bound is obtained for the masses of rational map multiskyrmions which is close to known masses, especially at large B. The main properties of bubbles of matter are obtained for arbitrary number of flavors.