$U(1)$ gauged boson stars in the Einstein-Friedberg-Lee-Sirlin model

J. Kunz; V. Loiko; Ya. Shnir

$U(1)$ gauged boson stars in the Einstein-Friedberg-Lee-Sirlin model

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arxiv 2112.06626 v1 pith:XP3P6VKO submitted 2021-12-13 gr-qc hep-th

J. Kunz , V. Loiko , Ya. Shnir This is my paper · ORCID

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keywords bosonstarsgaugedmodelfriedberg-lee-sirlinpotentialspacetimebehavior

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abstract

We consider spherically symmetric $U(1)$ gauged boson stars in the two-component scalar Friedberg-Lee-Sirlin model with a symmetry breaking potential in 3+1 dimensional spacetime. Depending on the relative strength of gravity and the electromagnetic interaction, the resulting boson stars exhibit either the typical properties of ungauged boson stars, or their behavior resembles the pattern found for gauged Q-balls of the Friedberg-Lee-Sirlin model in flat spacetime, both for a finite and a vanishing potential.

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Dipoles and chains of solitons in the Friedberg-Lee-Sirlin model
gr-qc 2024-11 conditional novelty 7.0 of 10

Stable dipolar boson stars and flat-space Q-ball chains are constructed in the Friedberg-Lee-Sirlin model, and chains beyond the dipole are found unstable in tested cases.

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