2 papers
cond-mat.soft2024
A link between anomalous viscous loss and boson peak in soft jammed solids
Yusuke Hara, Ryosuke Matsuoka, Hiroyuki Ebata +2
Soft jammed solids exhibit intriguing mechanical properties, while their linear response is elusive. In particular, foams and emulsions generally reveal anomalous viscous loss with…
cond-mat.soft2024
Non-Equilibrium Fluidization of Dense Active Suspension
Yujiro Sugino, Hiroyuki Ebata, Yoshiyuki Sowa +2
We investigate dense suspensions of swimming bacteria prepared in a nutrient-exchange chamber. Near the pellet concentration, nonthermal fluctuations showed notable agreement betwe…