2007/02/28 by D. Bazeia, L. Losano, R. Menezes +1 · 3 citations
Physics and Astronomy · #Advanced Differential Geometry Research #Black Holes and Theoretical Physics #Cosmology and Gravitation Theories #hep-th
paper · pdf · doi:10.1140/epjc/s10052-007-0329-0
published as Eur.Phys.J.C51:953-962,2007 · RevTex, 10 pages, 2 figures; version to appear in EPJC
arxiv created 2007/05/23 · openalex publication_date 2007/06/11 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
We investigate the presence of defect structures in generalized models described by real scalar field in (1,1) space-time dimensions. We work with two distinct generalizations, one in the form of a product of functions of the field and its derivative, and the other as a sum. We search for static solutions and study the corresponding linear stability on general grounds. We illustrate the results with several examples, where we find stable defect structures of modified profile. In particular, we show how the new defect solutions may give rise to evolutions not present in the standard scenario in higher spatial dimensions.