Ξ
Xi Scalar Field
field
Definition
Ξ(x,t) = -log(|1/N Σ_k e^(iθ_k(x,t))|)
Interpretation
Compression density of information/coherence. Low Ξ = high coherence, high Ξ = noise/randomness.
Applications
- ·Coherence measurement
- ·Information compression
- ·Order parameter