Manuscript XIX-D@1 · XIX-D.tex · section · 1f47e33b
An equation and a singularity condition do not select a state
Covariance, state selection, and quantum products › An equation and a singularity condition do not select a state · lines 370–378
The distinction between field equations, microlocal singularities, state positivity, and local composite normalization is standard in quantum field theory on classical curved spacetime HWreview,HWlocal,HWexistence. The following conditional construction proves the elementary non-determination needed here.