Parametric study of the clustering transition in vibration driven granular gas system

Wu Qi-Lin^{1, 2}, Hou Mei-Ying³, Yang Lei¹, Wang Wei^{1, 2}, Yang Guang-Hui¹, Tao Ke-Wei¹, Chen Liang-Wen¹, Zhang Sheng^{1, †}

(a) Example of global temperature T (set No. 1 in Table 2) versus time, and its fitting by a stretched exponential function (Eq. (8)) (red line). (b) A map of the fitting parameter τ_α for those gas state data points in the δ/r–ϕ_g phase diagram with the reference set (set No. 1 in Table 2).