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Peer-reviewedCC BY 4.0Journal of High Energy Physics

Gravitational properties of the monopole bag

  • Yu Komiya1
  • Fumihiro Takayama1
  1. 1Kyoto University
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Abstract

A bstract : Axionic cosmologies constitute a class of models with phenomenologically rich symmetry breaking in the early universe. In the case where monopoles are present in such a background, the axion profile may be deformed; it is possible to construct a “monopole bag” state composed of a central monopole within a closed axion domain wall. We consider the gravitational properties of this composite defect, and propose that there exist both a horizonless and a black hole-like static solution for different input parameters. For the latter case, we present our results as a first step towards a new construction of a dyonic regular black hole, given the monopole bag’s potential ability to evade the usual singular gravitational collapse and retain a non-trivial axionic profile by the exotic electromagnetic properties of an axionic Chern-Simons term.

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Cite

BibTeXRIS
BibTeX
@article{komiya2026gravitational,
  title = {{Gravitational properties of the monopole bag}},
  author = {Yu Komiya and Fumihiro Takayama},
  journal = {Journal of High Energy Physics},
  year = {2026},
  month = nov,
  doi = {10.1007/jhep11(2026)044},
  url = {https://link.springer.com/article/10.1007/JHEP11(2026)044},
  note = {CC BY 4.0},
}
RIS
TY  - JOUR
TI  - Gravitational properties of the monopole bag
AU  - Yu Komiya
AU  - Fumihiro Takayama
PY  - 2026
DA  - 2026/11/05
JO  - Journal of High Energy Physics
DO  - 10.1007/jhep11(2026)044
UR  - https://link.springer.com/article/10.1007/JHEP11(2026)044
AB  - A bstract : Axionic cosmologies constitute a class of models with phenomenologically rich symmetry breaking in the early universe. In the case where monopoles are present in such a background, the axion profile may be deformed; it is possible to construct a “monopole bag” state composed of a central monopole within a closed axion domain wall. We consider the gravitational properties of this composite defect, and propose that there exist both a horizonless and a black hole-like static solution for different input parameters. For the latter case, we present our results as a first step towards a new construction of a dyonic regular black hole, given the monopole bag’s potential ability to evade the usual singular gravitational collapse and retain a non-trivial axionic profile by the exotic electromagnetic properties of an axionic Chern-Simons term.
SN  - 1029-8479
ER  -