Bulletin of the American Physical Society
APS March Meeting 2023
Volume 68, Number 3
Las Vegas, Nevada (March 5-10)
Virtual (March 20-22); Time Zone: Pacific Time
Session N11: Biological Active Matter IV
11:30 AM–2:18 PM,
Wednesday, March 8, 2023
Room: Room 203
Sponsoring
Unit:
DBIO
Chair: Suraj Shankar, Harvard University
Abstract: N11.00005 : Self-organization and control in acoustically coupled active matter
12:42 PM–12:54 PM
Presenter:
Alexander Ziepke
(Ludwig-Maximilians University Munich)
Authors:
Alexander Ziepke
(Ludwig-Maximilians University Munich)
Ivan Maryshev
(Ludwig-Maximilians-Universitaet (LMU-Mun)
Igor Aranson
(Penn State University)
Erwin Frey
(Ludwig-Maximilians-Universitaet (LMU-Munich))
Here we study the collective behavior of self-propelled active agents communicating with each other by means of acoustic signals. The interplay of self-propulsion and the acoustic interaction leads to a self-organization into aggregates such as localized droplets and collectively propagating snake- and larvae-like solutions. These structures enable cooperative functionality such as collective navigation in heterogeneous environments and concerted localization. Moreover, the emergent dynamic states are amenable to externally imposed guiding cues, which opens pathways for applications using controlled acoustically interacting microrobots.
[1] A. Ziepke, I. Maryshev, I.S. Aranson, and E. Frey, preprint, Research Square, doi.org/10.21203/rs.3.rs-1756534/v1 (2022).
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