Nullifier Variance Analyzer
Calculate nullifier variances ⟨δ²⟩ as entanglement witnesses through covariance matrix propagation
Nullifier Variance Computation
The nullifier variance is computed from the covariance matrix V and the nullifier coefficient vector c:
⟨δj²⟩ = cT V c
where c = (0,...,-Aj1,...,0,1,0,...,-AjN,...)
Entanglement Criterion:
- ⟨δ²⟩ < 1 SNU: Genuine entanglement
- ⟨δ²⟩ ≈ 1 SNU: Marginal / threshold
- ⟨δ²⟩ > 1 SNU: No entanglement witness
SNU = Symmetrized Natural Units (shot noise = 1)
Graph Configuration
Mesh Configuration
Analysis Results
Average Nullifier Variance
0.250 SNU
Maximum Variance
0.312 SNU
Minimum Variance
0.188 SNU
Entangled Modes
7/7
Entanglement Status
ENTANGLED