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Theoretical astroparticle physics

Elementary particle physics relates in many diverse ways to fundamental questions of the universe. What makes up the "dark matter" that determines the dynamics of galaxies and cosmic structures? What explanation can account for the "dark energy" that is causing the expansion of the universe to accelerate? Why is there normal matter in the universe, but hardly any antimatter? What role do neutrinos play in cosmology and astrophysics? Where are the astrophysical accelerators that are responsible for high-energy cosmic rays?

The theoretical astroparticle group is engaged with some of these fundamental questions. One central topic is exploring what influence neutrinos have on supernova explosions, and what can be learned from that about the properties of neutrinos. A special area of focus is investigating the role of novel particles that interact even more weakly than neutrinos, as candidates for dark matter. Examples are the so-called axions or sterile neutrinos. Furthermore, the group ties together findings from astrophysical and cosmological observations with the results of ground-based experiments, to maximize our knowledge of particle physics.

Further information on the "Theoretical Astroparticle Physics" group

News releases


Where do the most important topics and trends in theoretical physics lie? This is the question to be pursued by internationally renowned experts at the symposium “New Developments in Theoretical Particle Physics.” The event takes place from May 18 to 20, 2016, at the Max Planck Institute for...

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Lena Funcke, Maximilian Totzauer and Sebastian Zell of the Max Planck Institute for Physics (MPP) have been granted a special honor: Together with around 400 other young scientists from 80 countries, the two doctoral candidates will take part in the Nobel Laureate Meeting in Lindau from June 26 to...

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Group members

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Capozzi, Francesco

Scientist 200

Dobrynina, Alexandra, Dr.

Scientist 407

Geib, Tanja

PhD Student 318

Gueter, Dario

PhD Student 464

Izaguirre, Ignacio, Dr.

Scientist 318

König, Johannes

Student 407

Merle, Alexander, Dr.

Scientist 314

Millar, Alexander

PhD Student 466

Raffelt, Georg, Dr.

Scientist 234

Saikawa, Kenichi

Scientist 517

Steffen, Frank D., Dr.

Scientist 335

Stodolsky, Leo, Dr.

Scientist 231

Vitagliano, Edoardo

PhD Student 466

External members

Stefan Antusch (University of Basel)
Javier Redondo (University of Zaragoza)

Events and meetings

Currently, there are no events or meetings.

Key Publications

Sovan Chakraborty, Rasmus Hansen, Ignacio Izaguirre, Georg Raffelt
Collective neutrino flavor conversion: Recentdevelopments
Nuclear Physics B 908 (2016) 366–381
DOI: 10.1016/j.nuclphysb.2016.02.012

Joerg Jaeckel, Javier Redondo
Resonant to broadband searches for cold dark matter consisting of
weakly interacting slim particles
Phys. Rev. D 88 (2013) 115002
DOI: 10.1103/PhysRevD.88.115002

Alexander Merle, Maximilian Totzauer
keV sterile neutrino dark matter from singlet scalar decays: basic
concepts and subtle features
JCAP 1506 (2015) 011
DOI: 10.1088/1475-7516/2015/06/011