Lump-like Structures in Scalar-field Models

Details Lump-like Structures in Scalar-field Models Lump-like Structures in Scalar-field Models

2009-06-15

arxiv.org/abs/0906.2669v1

Phys.Lett.A374:222-227,2009

Physics

High Energy Physics

High Energy Physics - Theory

7 pages, 11 figures

Scientific paper

10.1016/j.physleta.2009.10.057

In this work we investigate the presence of lump-like solutions in models described by a single real scalar field. We take advantage of a procedure recently used to describe explicit analytical solutions and we study several distinct models, showing how the parameters can be used to control the specific features of the lump-like structures. The proposed models are of direct interest to the construction of q-balls, to induce tachyonic excitations and gravitating structures of nontopological profile on braneworld models with a single extra dimension, to map solitons in optical fibers, and to describe collective excitations in Bose-Einstein condensates.

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