Quasi-Compact Q-Balls

TL;DR

This paper introduces novel analytical charged Q-ball solutions with double exponential tails in a relativistic scalar field model, demonstrating their classical and quantum stability, expanding the understanding of non-topological solitons.

Contribution

It presents new analytical Q-ball configurations with unique tail behavior and confirms their stability, differing from standard and compact Q-balls.

Findings

Analytical solutions with double exponential tails

Stable classical and quantum configurations

Distinct from standard and compact Q-balls

Abstract

This work deals with charged nontopological solutions that appear in relativistic models described by a single complex scalar field in two-dimensional spacetime. We study a model which supports novel analytical configurations of the Q-ball type, that engender double exponential tails, in this sense being different from both the standard and compact Q-balls. The analytical solutions are also stable, both classically and quantum-mechanically, and the stability follows as in the case of the compact configurations.