| Issue |
EPL
Volume 141, Number 3, February 2023
|
|
|---|---|---|
| Article Number | 34003 | |
| Number of page(s) | 7 | |
| Section | Nuclear and plasma physics, particles and fields | |
| DOI | https://doi.org/10.1209/0295-5075/acb60e | |
| Published online | 03 February 2023 | |
Mechanism to induce geometric constriction on kinks and domain walls
1 Departamento de Fí sica, Universidade Federal da Paraíba - 58051-970 João Pessoa, PB, Brazil
2 IUFFyM, Universidad de Salamanca - Salamanca, Spain
3 Departamento de Biotecnologia, Universidade Federal da Paraíba - 58051-900 João Pessoa, PB, Brazil
(a) E-mail: bazeia@fisica.ufpb.br (corresponding author)
Received: 14 January 2023
Accepted: 25 January 2023
We investigate scalar field theories in the multifield scenario, focusing mainly on the possibility to smoothly build internal structure and asymmetry for kinks and domain walls. The procedure requires the inclusion of an extra field which is associated to a function that modifies the dynamics of the other fields. We investigate minimum energy configurations, which support first order equations compatible with the equations of motion. The extra field allows a transition which is guided by a parameter that connects the standard solution to another one, geometrically constrained, mimicking the effects of geometrical constrictions in magnetic materials.
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