Figure 3

Transient behaviour of thermal noises. Time dependent behaviors of σ_xx (red), σ_vv (blue), and σ_xv (green) for b = 1.0 and q = 1.0 (curves a to c). T is the period corresponding to the driving frequency of T = 2π /Ω. σ_xx0, σ_vv0, and σ_xv0 are defined as (2v_eq/Ω)²,$v_{\mathsf{\text{eq}}}^2$, and $2v_{\mathsf{\text{eq}}}^2/\mathrm{\Omega }$, respectively. Magnified figure for 6T <t < 8T (curves d to f).