arXiv Open Access 2025

Exotic PeVatrons as sources of ultra-high-energy gamma rays

Andrea Addazi Salvatore Capozziello Qingyu Gan

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Abstrak

We explore novel classes of exotic astrophysical sources capable of producing ultra-high-energy gamma rays extending beyond the PeV scale, motivated by quantum gravity scenarios and dark matter phenomenology. These sources include: ultra-spinning black hole vortex-string systems; exotic compact objects such as boson star, axion star and Q-ball. Such Exotica generate powerful magnetic fields through interactions with millicharged dark matter, enabling particle acceleration mechanisms that surpass the energy limits of conventional astrophysical sources like pulsar wind nebulae and supernova remnants. We demonstrate that such exotic PeVatrons could be distributed throughout our Galaxy and may be detectable by current (LHAASO, HAWC) and next-generation (CTA) gamma-ray observatories.

Topik & Kata Kunci

astro-ph.HE gr-qc hep-th

Penulis (3)

Andrea Addazi

Salvatore Capozziello

Qingyu Gan

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APA MLA BibTeX

Addazi, A., Capozziello, S., Gan, Q. (2025). Exotic PeVatrons as sources of ultra-high-energy gamma rays. https://arxiv.org/abs/2510.00254

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Informasi Jurnal

Tahun Terbit: 2025
Bahasa: en
Sumber Database: arXiv
Akses: Open Access ✓