Contact
Sebastian Zell
Position
Former member
Member from October 2022 to September 2024
Member from October 2022 to September 2024
Research statement
My research based at the interface of particle physics and cosmology revolves around fundamental open problems and their observable implications. I am particularly interested in various aspects of gravity as well as inflation – an early phase of exponential expansion in our Universe. Close connections exist with a range of other topics such as dark matter, thermal effects, quantum coherence, scale symmetry, infrared physics and the mass scales of Nature.
Projects
Research directions:
Active projects
Active projects
Non-thermal Dark Matter
Marco Drewes, Yannis Georis, Valentin Weber
We study the production of Dark Matter from non-thermal initial states in the early universe, e.g., in freeze-in scenarios. A focus of the project lies in the computation of thermal corrections.
We study the production of Dark Matter from non-thermal initial states in the early universe, e.g., in freeze-in scenarios. A focus of the project lies in the computation of thermal corrections.
Scalar Fields in the Early Universe
Mubarak Abdallah, Marco Drewes
We study the nonequilibrium dynamics of scalar fields in the early universe in the framework of the Schwinger-Keldysh formalism. We are interested in several applications, including inflation, reheating, Dark Matter production and the fate of the Higgs field in the early universe.
We study the nonequilibrium dynamics of scalar fields in the early universe in the framework of the Schwinger-Keldysh formalism. We are interested in several applications, including inflation, reheating, Dark Matter production and the fate of the Higgs field in the early universe.
Publications in IRMP
All my publications on Inspire
Number of publications as IRMP member: 11
Last 5 publications
More publications
Number of publications as IRMP member: 11
Last 5 publications
2025
2024
More publications