• Renormalization group, flow equations

• Cold atomic gases, BCS-BEC crossover

• Many-body physics of correlated fermion systems, e.g. bilayer graphene

• Asymptotic safety scenario in the standard model and quantum gravity

click here to see my publications on: arXiv.org or INSPIRE β (INSPIRE does not contain all of my publications)

• ''Phase diagram of the honeycomb bilayer from functional renormalization'', Reisensburg, 2011/12/08 (pdf)
  
  
• ''Finite size and particle number effects in an ultracold Fermi gas at unitarity'', Yukawa Institute, Japan, 2011/08/26 (pdf)
  
  
• ''Critical behaviour and asymptotic safety in chiral Yukawa systems'', ERG 2010, Corfu, Greece, 2010/09/16 (pdf)
  
  
• "Towards a quantitative FRG approach for the BCS-BEC crossover", INT-10-45, Seattle, 2010/02/26 (pdf)
  
  
• "A mechanism for Asymptotic Safety of chiral Yukawa systems", Perimeter Institute, Waterloo, 2009/11/07 (pdf), see also the video recording: http://pirsa.org/09110126/

• A simple program to compute critical exponents in O(N)-models with the Wetterich equation
  

• The Quantum Theory of Fields: Effective or Fundamental? A talk by Steven Weinberg at CERN, July 7, 2009

• Introduction to Asymptotic Safety (Homepage of Roberto Percacci, SISSA, Trieste)

• Homepage of Holger Gies (my PhD-supervisor)