Particles, Astrophysics, and Nuclear Physics Journal Club
Perturbation theory diverges (and that's the good news!)
Department of Physics
University of Connecticut
I will explain why it is actually a good thing, physically, that perturbation theory generically diverges. The idea is very simple, but has profound consequences in quantum mechanics and quantum field theory, providing a bridge between the perturbative regime and the nonperturbative regime.
Wednesday, October 8, 2003
Gant Science Complex