44 citations · 50 across the 6 of their papers we have counts for
7 papers
Trajectory Statistics Govern Mechanical Power Transfer in Active Baths
Chul-Ung Woo, Jiwon Choi, Heiko Rieger
The mechanical response of a moving probe in an active bath reflects both the dynamics of the bath and how the probe couples to it. For a probe moving at velocity and i…
Extensive Spatio-Temporal Chaos in Non-reciprocal Flocking
Chul-Ung Woo, Jae Dong Noh, Heiko Rieger
Non-reciprocal interactions in active matter give rise to a multitude of fascinating phenomena among which are collective oscillatory states without intrinsic particle chirality an…
Nonreciprocal yet Symmetric Multi-Species Active Matter: Emergence of Chirality and Species Separation
Chul-Ung Woo, Heiko Rieger, Jae Dong Noh
Nonreciprocal active matter systems typically feature an asymmetric role among interacting agents, such as a pursuer-evader relationship. We propose a multi-species nonreciprocal a…
Collective behavior in the nonreciprocal multi-species Vicsek model
Chul-Ung Woo, Heiko Rieger, Jae Dong Noh
We investigate collective behavior in a -species Vicsek model with a nonreciprocal velocity alignment interaction. This system is characterized by a constant phase shift in…
Motility-Induced Pinning in Flocking System with Discrete Symmetry
Chul-Ung Woo, Jae Dong Noh
We report a motility-induced pinning transition in the active Ising model for a self-propelled particle system with discrete symmetry. This model was known to exhibit a liquid-gas…
Nonequilibrium phase transitions in a Brownian -state clock model
Chul-Ung Woo, Jae Dong Noh
We introduce a Brownian -state clock model in two dimensions and investigate the nature of phase transitions numerically. As a nonequilibrium extension of the equilibrium lattic…
Flocking of two unfriendly species: The two-species Vicsek model
Swarnajit Chatterjee, Matthieu Mangeat, Chul-Ung Woo +2
We consider the two-species Vicsek model (TSVM) consisting of two kinds of self-propelled particles, A and B, that tend to align with particles from the same species and to antiali…