Excited Q-balls

@article{Almumin2021ExcitedQ,
  title={Excited Q-balls},
  author={Yahya Almumin and Julian Heeck and Arvind Rajaraman and Christopher B. Verhaaren},
  journal={The European Physical Journal C},
  year={2021},
  volume={82}
}
Complex scalars in U(1)-symmetric potentials can form stable Q-balls, non-topological solitons that correspond to spherical bound-state solutions. If the U(1) charge of the Q-ball is large enough, it can support a tower of unstable radial excitations with increasing energy. Previous analyses of these radial excitations were confined to fixed parameters, leading to excited states with different charges Q. In this work, we provide the first characterization of the radial excitations of solitons… 

Q-balls in polynomial potentials

Bosons carrying a conserved charge can form stable bound states if their Lagrangian contains attractive self-interactions. Bound-state configurations with a large charge Q can be described classically

Nodal compact $Q$-ball/$Q$-shell in the $\mathbb{C}P^N$ nonlinear sigma model

P. Klimas,1, ∗ N. Sawado,2, † and S. Yanai2, ‡ Departamento de F́ısica, Universidade Federal de Santa Catarina, Campus Trindade, 88040-900, Florianópolis-SC, Brazil Department of Physics, Tokyo

Excited oscillons: cascading levels and higher multipoles

: Two types of excited oscillons are investigated. We first focus on spherical symmetry and find that there are a tower of spherical oscillons with higher energies. Despite having multiple approximate

Origin of nontopological soliton dark matter: solitosynthesis or phase transition

This work demonstrates that nontopological solitons with large global charges and masses, even above the Planck scale, can form in the early universe and dominate the dark matter abundance. In

References

SHOWING 1-10 OF 37 REFERENCES

Radial excitations of Q -balls, and their D -term

We study the structure of the energy-momentum tensor of radial excitations of Q-balls in scalar field theories with U(1) symmetry. The obtained numerical results for the $1\le N \le 23$ excitations

Proca Q-balls and Q-shells

Non-topological solitons such as Q-balls and Q-shells have been studied for scalar fields invariant under global and gauged U(1) symmetries. We generalize this frame-work to include a Proca mass for

Mapping gauged Q -balls

Scalar field theories with particular Uð1Þ-symmetric potentials contain nontopological soliton solutions called Q-balls. Promoting the Uð1Þ to a gauge symmetry leads to the more complicated situation

Stable Q-balls from extra dimensions

Understanding Q -balls beyond the thin-wall limit

Complex scalar fields charged under a global $U(1)$ symmetry can admit nontopological soliton configurations called $Q$-balls, which are stable against decay into individual particles or smaller

Spinning Q -balls

We present numerical evidence for the existence of spinning generalizations for nontopological Q-ball solitons in the theory of a complex scalar field with a nonrenormalizable self-interaction. To

Charge-Swapping Q-balls and Their Lifetimes

For scalar theories accommodating spherically symmetric Q-balls, there are also towers of quasi-stable composite Q-balls, called charge swapping Q-balls (CSQs). We investigate the properties,

Q-monopole-ball: a topological and nontopological soliton

Magnetic monopoles and Q-balls are examples of topological and nontopological solitons, respectively. A new soliton state with both topological and nontopological charges is shown to also exist,

Radially excited U(1) gauged Q -balls

Radially excited $U(1)$ gauged $Q$-balls are studied using both analytical and numerical methods. Unlike the nongauged case, there exists only a finite number of radially excited gauged $Q$-balls at

Theory of U(1) gauged Q-balls revisited

In this paper, the main properties of (3+1)-dimensional $U(1)$ gauged Q-balls are examined. In particular, it is shown that the relation $\frac{dE}{dQ}=\omega$ holds for such gauged Q-balls in the