Potential
Each path contributes e^(iS/ℏ)
Classical path: δS=0
Nearby paths: phases cancel
→ stationary phase approx
Small ℏ: quantum→classical
Large ℏ: all paths matter
S[x] = ∫[½mẋ²−V(x)]dt
Color = phase angle
Brightness = weight
Arrow = phasor e^(iS/ℏ)
Classical path: δS=0
Nearby paths: phases cancel
→ stationary phase approx
Small ℏ: quantum→classical
Large ℏ: all paths matter
S[x] = ∫[½mẋ²−V(x)]dt
Color = phase angle
Brightness = weight
Arrow = phasor e^(iS/ℏ)
Amplitude: computing...