Habilitation Theses

• M. Vojta
  Bulk and Boundary Quantum Phase Transitions in d-Wave Superconductors
  06.05.2002
  online: gzipped Postscript (620 kb)
  
  
• R. Bulla
  The Numerical Renormalization Group Method for Correlated Electron Systems
  22.11.2000
  online: gzipped Postscript (172 kB)
  
  
• S. Kehrein
  The Flow Equation Approach to Many-Particle Systems
  04.07.2001
  online: pdf files