Anomalous boundary deformation induced by enclosed active particles

Tian Wen-De^{1, 2, †}, Gu Yan¹, Guo Yong-Kun¹, Chen Kang^{1, 2, ‡}

(color online) (a) Probability distributions of the radius of gyration at various forces for ϕ = 0.05, and (b) variations of relative fluctuations of the radius of gyration with propelling force.