TY - JOUR
T1 - Chaotic Model for Lévy Walks in Swarming Bacteria
AU - Ariel, Gil
AU - Be'Er, Avraham
AU - Reynolds, Andy
N1 - Publisher Copyright:
© 2017 American Physical Society.
PY - 2017/6/2
Y1 - 2017/6/2
N2 - We describe a new mechanism for Lévy walks, explaining the recently observed superdiffusion of swarming bacteria. The model hinges on several key physical properties of bacteria, such as an elongated cell shape, self-propulsion, and a collectively generated regular vortexlike flow. In particular, chaos and Lévy walking are a consequence of group dynamics. The model explains how cells can fine-tune the geometric properties of their trajectories. Experiments confirm the spectrum of these patterns in fluorescently labeled swarming Bacillus subtilis.
AB - We describe a new mechanism for Lévy walks, explaining the recently observed superdiffusion of swarming bacteria. The model hinges on several key physical properties of bacteria, such as an elongated cell shape, self-propulsion, and a collectively generated regular vortexlike flow. In particular, chaos and Lévy walking are a consequence of group dynamics. The model explains how cells can fine-tune the geometric properties of their trajectories. Experiments confirm the spectrum of these patterns in fluorescently labeled swarming Bacillus subtilis.
UR - http://www.scopus.com/inward/record.url?scp=85020434283&partnerID=8YFLogxK
U2 - 10.1103/PhysRevLett.118.228102
DO - 10.1103/PhysRevLett.118.228102
M3 - Article
AN - SCOPUS:85020434283
SN - 0031-9007
VL - 118
JO - Physical Review Letters
JF - Physical Review Letters
IS - 22
M1 - 228102
ER -