Cosmological Implications of the Slingshot Effect: Gravitational Waves, Primordial Black Holes and Dark Matter
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| Format: | Preprint |
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2026
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| author | Bachmaier, Maximilian Dvali, Gia Valbuena-Bermúdez, Juan Sebastián Zantedeschi, Michael |
| author_facet | Bachmaier, Maximilian Dvali, Gia Valbuena-Bermúdez, Juan Sebastián Zantedeschi, Michael |
| contents | In this paper, we explore the implications of the so-called slingshot effect. It represents a rather general phenomenon occurring when a localized source, such as a monopole, quark, or a $D$-brane, crosses a domain wall separating the confined (Higgsed) and unconfined (Coulomb) phases of the crossing source. The crossover is accompanied by a stretched ``string'' of proper co-dimensionality that confines the source to the domain wall. The effect takes place for different setups, such as phase transitions leading to confinement, both electric and magnetic, as well as in string theoretic inflation with $D$-branes. We discuss the role of the phenomenon in sourcing gravitational waves and dark matter in the form of Kaluza-Klein gravitons. We also show that the slingshot effect can lead to the formation of primordial black holes in observationally interesting mass ranges for dark matter and high-energy cosmic rays. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2603_18512 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Cosmological Implications of the Slingshot Effect: Gravitational Waves, Primordial Black Holes and Dark Matter Bachmaier, Maximilian Dvali, Gia Valbuena-Bermúdez, Juan Sebastián Zantedeschi, Michael High Energy Physics - Phenomenology High Energy Physics - Theory In this paper, we explore the implications of the so-called slingshot effect. It represents a rather general phenomenon occurring when a localized source, such as a monopole, quark, or a $D$-brane, crosses a domain wall separating the confined (Higgsed) and unconfined (Coulomb) phases of the crossing source. The crossover is accompanied by a stretched ``string'' of proper co-dimensionality that confines the source to the domain wall. The effect takes place for different setups, such as phase transitions leading to confinement, both electric and magnetic, as well as in string theoretic inflation with $D$-branes. We discuss the role of the phenomenon in sourcing gravitational waves and dark matter in the form of Kaluza-Klein gravitons. We also show that the slingshot effect can lead to the formation of primordial black holes in observationally interesting mass ranges for dark matter and high-energy cosmic rays. |
| title | Cosmological Implications of the Slingshot Effect: Gravitational Waves, Primordial Black Holes and Dark Matter |
| topic | High Energy Physics - Phenomenology High Energy Physics - Theory |
| url | https://arxiv.org/abs/2603.18512 |