Symmetry breaking and vacuum structure of QCD, Non–perturbative structure of the nucleon, Nuclear lattice simulations, Resonance properties from lattice field theory, Photo–nucleon and photo–nuclear physics, Effective field theory for nuclear forces & nuclei, Baryon chiral perturbation theory, Isospin violation and quark masses, Chiral perturbation theory beyond one loop, Radiative corrections for hadronic processes, Chiral extrapolations for lattice QCD, Baryon resonances in lattice QCD, Nuclear forces and few-nucleon systems, Chiral, scale and trace anomalies, Hadronic parity violation, Hadrons at finite temperature and density, Baryon form factors, Dispersion relations and their applications, Hadronic atoms, Hadronic B and J/ψ decays, Heavy-light quark systems, Charmonium and bottomonium transitions, Effective Lagrangians for electroweak symmetry breaking, Stochastic quantization of quantum field theories, Models of chiral symmetry breaking and dynamical mass generation, Topological solitons / Skyrmions, Casimir effects

Academic Career (excerpt)

• since 2024
  Chief Scientist, Peng Huanwu Collaborative Center for Research and Education, Beihang University, China
• 2021
  ERC Advanced Grant ''Emergent Complexity from Strong Interactions (EXOTIC)''
• since 2021-2023 
  Director of the Bethe Center for Theoretical Physics, University of Bonn
• 2018
  Honorary Doctorate (Dr. h.c.) from Ivane Javakhishvili Tbilisi State University, Tbilisi, Georgia
• since 2017
  Deputy Director of the Center for Science and Thought, University of Bonn
• since 2012-2024
  Initiator and speaker of the German-Chinese SFB/TR 110 "Symmetries and the Emergence of Structure in QCD", University of Bonn, RUB, TUM, FZ Jülich, Peking University, IHEP/CAS, ITP/CAS
• since 2010
  Director at the Institute for Advanced Simulation (IAS-4, Strong Interaction Theory), Forschungszentrum Jülich
• 2008-2021, since 2024
  Deputy Director of the Bethe Center for Theoretical Physics, University of Bonn
• 2008-2016
  Dean of the Faculty of Mathematics and Natural Sciences, University of Bonn
• 2004-2008
  Spokesman of the SFB/TR 16 "Subnuclear Structure of Matter", Universities of Bonn, Bochum, Giessen
• 2003-2024
  Director at the Institute for Nuclear Physics (IKP-3, Strong Interaction Theory), Forschungszentrum Jülich
• since 01/2003
  Director of the Theory Department of the Helmholtz Institute for Radiation and Nuclear Physics, University of Bonn
• since 01/2003
  Chair of Theoretical Nuclear Physics, University of Bonn
• 04/2002-09/2002
  Visiting Professor at Karl-Franzens-University Graz, Austria
• 10/1996-12/2002
  Group leader at the Institute of Nuclear Physics, Research Center Jülich, and Professor of Theoretical Physics at the Rheinische Friedrich-Wilhelms-University Bonn
• 1988
  Habilitation in Theoretical Physics, University of Regensburg, Germany
• 1984
  PhD, SUNY at Stony Brook, USA. Supervisor: Gerry Brown