| Issue |
EPL
Volume 149, Number 1, January 2025
|
|
|---|---|---|
| Article Number | 14001 | |
| Number of page(s) | 6 | |
| Section | Nuclear and plasma physics, particles and fields | |
| DOI | https://doi.org/10.1209/0295-5075/ada090 | |
| Published online | 07 January 2025 | |
Geometrically constrained localized configurations engendering nontopological profile
1 Departamento de Física, Universidade Federal da Paraíba - João Pessoa, Paraíba, Brazil
2 Departamento de Ciências Exatas, Universidade Federal da Paraíba - Rio Tinto, Paraíba, Brazil
3 Unidade Acadêmica de Física, Universidade Federal de Campina Grande - Campina Grande, Paraíba, Brazil
Received: 28 October 2024
Accepted: 17 December 2024
This work deals with two real scalar fields in two-dimensional spacetime, with the fields coupled to allow the study of localized configurations. We consider models constructed to engender geometric constrictions, and use them to investigate solutions of the lump type, which attain no topological properties. We show how to modify the internal structure of the field configurations and the corresponding energy densities in several distinct ways, making them thinner, thicker and also, in the form of a multi-lump solution composed of two or more lumps or asymmetrically distributed around their associated centers. The results appear to be of current interest in high-energy physics and may, in particular, be used to study bright solitons in optical fibers and in Bose-Einstein condensates.
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