Massless particles and arrow of time in relativistic quantum field theory (in German)
  
  
  
      
    Detlev Buchholz
  
  
  
  
  
  
                
    
  June 16, 2013  
  
   Introduction (in German) to a novel approach to sector analysis in theories
with long range forces which avoids notorious infrared problems; cf.
arXiv:1304.2794
  
  
    
  
  Keywords: 
none