Bosonic stars with dark electroweak fields
Abstract
We construct bosonic stars in the Einstein-Weinberg-Salam theory, namely the bosonic sector of the electroweak Standard Model minimally coupled to Einstein's theory of gravity. These configurations are everywhere regular, spherically symmetric and asymptotically flat, consisting of a static condensate of the massive W and Z bosons, whose masses arise from the Higgs mechanism. Although the corresponding fields exist in nature, gravitational effects are negligible at the physical electroweak scale and the configurations would be microscopic. Keeping Newton's constant and the electroweak mass ratios at their physical values, we therefore interpret the model as the bosonic sector of a \textit{dark} electroweak theory with a radically different energy scale. Choosing the ultralight vector boson mass mWc2=8.7×10−13eV, as suggested by the Proca star interpretation of GW190521, our bosonic stars can attain masses in the intermediate-mass black hole range.
Related
- Bayesian Constraints on Bosonic Dark Matter in Neutron Stars within a Covariant Density-Functional Equation-of-State Ensemble
- Ultra-compact twin stars with hybrid equations of state from bosonic dark matter
- Inelastic Signatures of Electroweak Dark Matter
- Resurrecting Electroweak Dark Matter via Type-II Seesaw in light of recent LZ Event
- Disappearing Tracks from Electroweak Vector Dark Matter at the LHC
BibTeX
@misc{filho2026bosonic,
title = {{Bosonic stars with dark electroweak fields}},
author = {Etevaldo dos Santos Costa Filho and Romain Gervalle},
howpublished = {arXiv},
year = {2026},
month = sep,
doi = {10.48550/arxiv.2609.19273},
eprint = {2609.19273},
archivePrefix = {arXiv},
url = {https://arxiv.org/abs/2609.19273},
note = {CC BY 4.0},
}
RIS
TY - UNPB
TI - Bosonic stars with dark electroweak fields
AU - Etevaldo dos Santos Costa Filho
AU - Romain Gervalle
PY - 2026
DA - 2026/09/16
PB - arXiv
DO - 10.48550/arxiv.2609.19273
UR - https://arxiv.org/abs/2609.19273
AB - We construct bosonic stars in the Einstein-Weinberg-Salam theory, namely the bosonic sector of the electroweak Standard Model minimally coupled to Einstein's theory of gravity. These configurations are everywhere regular, spherically symmetric and asymptotically flat, consisting of a static condensate of the massive W and Z bosons, whose masses arise from the Higgs mechanism. Although the corresponding fields exist in nature, gravitational effects are negligible at the physical electroweak scale and the configurations would be microscopic. Keeping Newton's constant and the electroweak mass ratios at their physical values, we therefore interpret the model as the bosonic sector of a \textit{dark} electroweak theory with a radically different energy scale. Choosing the ultralight vector boson mass m_Wc^2=8.7×10^−13eV, as suggested by the Proca star interpretation of GW190521, our bosonic stars can attain masses in the intermediate-mass black hole range.
ER -