2 papers
cond-mat.stat-mech2019
Bodies in an Interacting Active Fluid: Far-Field Influence of a Single Body and Interaction Between Two Bodies
Omer Granek, Yongjoo Baek, Yariv Kafri +1
Because active particles break time-reversal symmetry, an active fluid can sustain currents even without an external drive. We show that when a passive body is placed in a fluid of…
physics.soc-ph2018
Role of hubs in the synergistic spread of behavior
Yongjoo Baek, Kihong Chung, Meesoon Ha +2
The spread of behavior in a society has two major features: the synergy of multiple spreaders and the dominance of hubs. While strong synergy is known to induce mixed-order transit…