Two eigenstates
Light in a crystal and a neutrino in vacuum: one principle of propagation.
Light in a crystal
L = 1.00 λ₀Polarization 1Polarization 2Sum E
InputOutput
axis 1axis 2
Input: β = 0°
Circular polarization
The output is the sum of the two polarizations.
Neutrino in vacuum
L = 82.7 kmν₁ν₂Sum ψ
Input: νₑMeasurement
ν₁ν₂
Input: νₑ · θ = 33.7°
Probabilities at the output
Pₑ
Pₓ
Pₑ + Pₓ = 1
Actual polarization directions of the lightState space · the overall phase of the picture is conventional
Move the shared slider: it sets the same phase difference in the two experiments.