Vacuum stability in quantum field theory
G. Scharf (Zurich U.)

1996 - 3 pages

Abstract (Springer)
It is shown that the adiabatic (infrared) limit of vacuum diagrams does not exist in theories with self-interacting massless fields (QCD) or massless interacting particles (massless QED), if the theory is renormalizable. It does exist in quantum gravity.


Keyword(s): INSPIRE: vacuum state: stability | quantum gravity | causality | quantum electrodynamics | quantum chromodynamics | electron: mass | mass: electron | infrared problem
 Record added 1998-10-15, last modified 2008-09-05