The solitary solutions of nonlinear Klein-Gordon field with minimal length
arXiv:2106.00249 · doi:10.1016/j.physletb.2021.136351
Abstract
The existence of a minimal length is predicted by theories of quantum gravity and it is generally accepted that this minimal length should be of the order of the Planck length and hence can be observed in high energy phenomenon. We study the implications of the presence of the minimal length on the Klein-Gordon filed with ϕ4self-interaction. Considering the process of spontaneous symmetry breaking, the potential also includes the ϕ3term. The consequent field equation is a fourth-order differential equation and is considered to have solitary solutions. The sech method is applied and the normalized solutions are obtained in closed forms and the energy spectrum of the solitary fields is determined. The modification parameter of the theory is estimated by the width and the energy of the obtained solitary fields.
arXiv comment11 pages, 3 figures
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