80
40
GUE (chaotic)
Poisson (integrable)
GOE
Dip: t_d ~ N^{-1/2}
Ramp: K(t) ~ t/2π (GUE)
Plateau: K → 1 at t_H (Heisenberg time)
Poisson: K(t)=1 (flat, no correlations)
GUE: rigid spectrum, level repulsion → ramp structure
Ramp: K(t) ~ t/2π (GUE)
Plateau: K → 1 at t_H (Heisenberg time)
Poisson: K(t)=1 (flat, no correlations)
GUE: rigid spectrum, level repulsion → ramp structure
Heisenberg time t_H = —
Dip position: —
Dip position: —