State behaviour and dynamics of self-propelled Brownian squares: a simulation study.
basic_science · Level V
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- Record sourced from PubMed, PMID 27079655.
- Also identified by DOI 10.1039/c6sm00347h.
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Abstract
We study the state behaviour of self-propelled and Brownian squares as a function of the magnitude of self-propulsion and density using Brownian dynamics simulations. We find that the system undergoes a transition from a fluid state to phase coexistence with increased self-propulsion and density. Close to the transition we find oscillations of the system between a fluid state and phase coexistence that are caused by the accumulation of forces in the dense phase. Finally, we study the coarsening regime of the system and find super-diffusive behaviour.