Quantum Vacuum Fluctuations, Source Radiation, and Detector Response

msf:45650 v2.1.1 develops a source-resolved and detector-resolved framework for interpreting measurements associated with quantum-vacuum fluctuations. The central correction is: quantum-vacuum fluctuations are not ordinary thermal motion, classical vibration, residual radiation, detector noise, or a generic weak background. For a stationary field system admitting a ground-state Hamiltonian: H|0> = E_0|0>. The field expectation value may vanish while its variance and correlations remain nonzero. A representative connected symmetrized correlation is: C_AB^sym(t,t') = 1/2