Kallia Petraki

Κάλλια Πετράκη

I am a theoretical particle physicist and I work at the Laboratoire de Physique Théorique et Hautes Énergies (LPTHE [fr]) of the Sorbonne University, located at the Jussieu campus in Paris. I am also member of the theory group of Nikhef [nl], the Dutch National Institute for Subatomic Physics, located in the Science Park, in Amsterdam.

I am currently the PI of the grants

  • ERC Consolidator "CosmoChart" (to commence in Fall 2021)

  • ANR [fr] ACHN "TheIntricateDark" (09/2016 - 02/2022)

  • NWO Vidi "Self-interacting asymmetric dark matter" (06/2016 - 11/2022)

More information on my group.

Research Interests

I am interested in physics beyond the Standard Model, mostly in the context of dark matter, the matter-antimatter asymmetry of the universe and neutrinos. I have worked on dark matter bound states, self-interacting dark matter, asymmetric dark matter, the matter-antimatter asymmetry, and sterile neutrinos. Within these topics, my work includes aspects of model-building, early-universe cosmology, dark-matter indirect detection, dark matter in stars and collider signatures.

Selected publications

  1. Dark matter bound state formation via emission of a charged scalar; Oncala, Petraki; arXiv:1911.02605, JHEP

  2. Higgs-mediated bound states in dark-matter models; Harz, Petraki; arXiv:1901.10030, JHEP

  3. Asymmetric thermal-relic dark matter: Sommerfeld-enhanced freeze-out, annihilation signals and unitarity bounds; Baldes, Petraki; arXiv:1703.00478, JCAP

  4. Bound-state formation for thermal relic dark matter and unitarity; von Harling, Petraki; arXiv:1407.7874, JCAP.

  5. Particle-antiparticle asymmetries from annihilations; Baldes, Bell, Petraki, Volkas; arXiv:1407.4566, PRL.

  6. Review of asymmetric dark matter; Petraki, Volkas; arXiv:1305.4939, Int.J.Mod.Phys. A.

  7. Dark-matter sterile neutrinos in models with a gauge singlet in the Higgs sector; Petraki, Kusenko; arXiv:0711.4646, PRD.

My complete list of publications from the INSPIRE database and the arXiv.