Citations per year

19621978199420102025020406080100120
Abstract: (APS)
Some proofs are presented of Goldstone's conjecture, that if there is continuous symmetry transformation under which the Lagrangian is invariant, then either the vacuum state is also invariant under the transformation, or there must exist spinless particles of zero mass.
  • field theory: scalar
  • Goldstone theorem
  • spontaneous symmetry breaking
  • perturbation theory
  • propagator