Physical Cosmology

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Prof. Dr. Jochen Weller

Prof. Dr. Jochen Weller



Physical Cosmology, Dark Energy, Galaxy Clusters, Cosmic Microwave Background, Modified Gravity, Dark Matter, Large-Scale Structure, AI methods


Room: 101
Phone: +49 89 2180 5976

Welcome to my homepage. I am a Professor at the Department of Physics at Ludwigs-Maximilians University, Munich, where I work at the University Observatory. I am also affiliated with the Excellence Cluster Origins and the Max-Planck Institute of Extraterrestrial Physics.

Recent Publications

Dark energy survey year 1 results: Constraining baryonic physics in the Universe, Huang, Hung-Jin et al.,Monthly Notices of the Royal Astronomical Society, 502, 6010, (2021)

CODEX weak lensing mass catalogue and implications on the mass-richness relation, Kiiveri, K. et al.,Monthly Notices of the Royal Astronomical Society, 502, 1494, (2021)

Consistency of cosmic shear analyses in harmonic and real space, Doux, C. et al.,2021MNRAS.tmp..712D

Constraining Ultra-light Axions with Galaxy Cluster Number Counts, Diehl, Johannes et al.,arXiv:2103.08674

Euclid: Effect of sample covariance on the number counts of galaxy clusters, Fumagalli, A. et al.,arXiv:2102.08914


All Publications

Publications at INSPIRE
Publications at ADS
Publications at arXiv
Publications at Google Scholar


Curriculum Vitae


05/2009 - Max-Planck-Institute for Extraterrestrial Physics, Garching, Germany, Affiliate
10/2008 - Faculty of Physics, University Observatory, Ludwig-Maximilians University, Munich, Germany, Professor
10/2008 - 11/2012 Excellence Cluster for Origin and Structure of the Universe, Garching, Germany, Junior Research Group Leader
10/2005 - 9/2008 Department of Physics and Astronomy, University College London, UK, Lecturer
9/2004 - 8/2005 Theoretical Astrophysics Group, Fermilab, USA, David N. Schramm Fellow
10/2003 - 9/2004 Institute of Astronomy, University of Cambridge, UK, Fixed Term Lecturer
10/2002 - 9/2003 Institute of Astronomy, University of Cambridge, UK, PDRA (Leverhulme Fellow)
10/2000 - 9/2002 Department of Applied Mathematics and Theoretical Physics,
University of Cambridge, UK, PDRA

Committee Work

01/2019- Coordinator Research Unit C / Member of the Board - Excellence Cluster Origins
10/2013- Dean of Studies Deparment of Physics, LMU
10/2013- Editor Journal of Cosmology and Astroparticle Physics
2012-2018 Member of the Council for Science Communication of the Deutsche Physikalische Gesellschaft
2012- Council member "Sterne und Weltraum", Scientific Magazine
12/2009 - 12/2018 Co-Coordinator Research Area E - Excellence Cluster Universe


1999 - 2000 University of California in Davis, USA, Visiting Postgraduate Student
1996 - 2000 Imperial College, London, UK, Doctor of Philosophy, 31 October 2000
Diploma of the Imperial College in Physics, 30 November 2000
Ph.D. program in Theoretical Physics/Cosmology, Thesis Advisor: Prof. A. Albrecht
Thesis Title: Observational consequences of modern cosmological theories
1990 - 1996 University of Karlsruhe, Germany, Diploma in Physics, 16 August 1996


2001 - 2005 Trapnell Fellowship at King's College, Cambridge (resigned 2004)
1997 - 2000 DAAD (German Academic Exchange Service) PhD Fellowship
financed by the German Federal Ministry for Research and Technology

Member of the Dark Energy Survey (DES)
Member of Euclid (co-coordinater Cluster Science Working Group)
(Member of the Euclid Science Coordination Group)
Member of HETDEX Consortium
Member of eROSITA Collaboration
Member of the German SKA Consortium