The nontopological scalar solitons in de Sitter spacetimes
Hongbo Cheng, Zhengyan Gu
TL;DR
This paper investigates the existence of nontopological scalar solitons in static de Sitter spacetime, proving analytically that such solutions cannot exist under certain boundary conditions.
Contribution
It provides the first analytical proof of the nonexistence of nontopological scalar solitons in de Sitter backgrounds with specific boundary conditions.
Findings
Nontopological scalar solitons do not exist in static de Sitter spacetime under the studied conditions.
Analytical methods using series expansion demonstrate the nonexistence.
The results clarify the limitations of scalar solitons in cosmological backgrounds.
Abstract
In this letter the nontopological scalar solitons with a self-interaction potential are investigated in a static de Sitter spacetime and their field equations are derived. In particular, with series expansion we prove analytically the nonexistence of the solutions under the boundary conditions, which show that some nontopological solitons can not live in the background.
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Taxonomy
TopicsAdvanced Mathematical Physics Problems · Quantum Electrodynamics and Casimir Effect · Cosmology and Gravitation Theories