Topological structure and dynamics of three-dimensional active nematics
Abstract
Topological structures are effective descriptors of the nonequilibrium dynamics of diverse many-body systems. For example, motile, point-like topological defects capture the salient features of two-dimensional active liquid crystals composed of energy-consuming anisotropic units. In this work, we dispersed force-generating microtubule bundles in a passive colloidal liquid crystal to form a three-dimensional active nematic. Light-sheet microscopy revealed the temporal evolution of the millimeter-scale structure of these active nematics with single-bundle resolution. The primary topological excitations are extended, charge-neutral disclination loops that undergo complex dynamics and recombination events. Our work suggests a framework for analyzing the nonequilibrium dynamics of bulk anisotropic systems as diverse as driven complex fluids, active metamaterials, biological tissues, and collections of robots or organisms.
- Publication Date:
- Research Org.:
- Univ. of California, Santa Barbara, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation (NSF); Human Frontier Science Program (HFSP); The Dutch Research Council (NWO); US Army Research Office (ARO); National Institutes of Health (NIH); Engineering and Physical Sciences Research Council (EPSRC)
- OSTI Identifier:
- 1603221
- Alternate Identifier(s):
- OSTI ID: 1657888
- Grant/Contract Number:
- SC0019733; W911NF-19-1-0268; DMR-1420709; 5R00HD088708-05; EP/R014604/1
- Resource Type:
- Published Article
- Journal Name:
- Science
- Additional Journal Information:
- Journal Name: Science Journal Volume: 367 Journal Issue: 6482; Journal ID: ISSN 0036-8075
- Publisher:
- American Association for the Advancement of Science (AAAS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
Citation Formats
Duclos, Guillaume, Adkins, Raymond, Banerjee, Debarghya, Peterson, Matthew S. E., Varghese, Minu, Kolvin, Itamar, Baskaran, Arvind, Pelcovits, Robert A., Powers, Thomas R., Baskaran, Aparna, Toschi, Federico, Hagan, Michael F., Streichan, Sebastian J., Vitelli, Vincenzo, Beller, Daniel A., and Dogic, Zvonimir. Topological structure and dynamics of three-dimensional active nematics. United States: N. p., 2020.
Web. doi:10.1126/science.aaz4547.
Duclos, Guillaume, Adkins, Raymond, Banerjee, Debarghya, Peterson, Matthew S. E., Varghese, Minu, Kolvin, Itamar, Baskaran, Arvind, Pelcovits, Robert A., Powers, Thomas R., Baskaran, Aparna, Toschi, Federico, Hagan, Michael F., Streichan, Sebastian J., Vitelli, Vincenzo, Beller, Daniel A., & Dogic, Zvonimir. Topological structure and dynamics of three-dimensional active nematics. United States. https://doi.org/10.1126/science.aaz4547
Duclos, Guillaume, Adkins, Raymond, Banerjee, Debarghya, Peterson, Matthew S. E., Varghese, Minu, Kolvin, Itamar, Baskaran, Arvind, Pelcovits, Robert A., Powers, Thomas R., Baskaran, Aparna, Toschi, Federico, Hagan, Michael F., Streichan, Sebastian J., Vitelli, Vincenzo, Beller, Daniel A., and Dogic, Zvonimir. Thu .
"Topological structure and dynamics of three-dimensional active nematics". United States. https://doi.org/10.1126/science.aaz4547.
@article{osti_1603221,
title = {Topological structure and dynamics of three-dimensional active nematics},
author = {Duclos, Guillaume and Adkins, Raymond and Banerjee, Debarghya and Peterson, Matthew S. E. and Varghese, Minu and Kolvin, Itamar and Baskaran, Arvind and Pelcovits, Robert A. and Powers, Thomas R. and Baskaran, Aparna and Toschi, Federico and Hagan, Michael F. and Streichan, Sebastian J. and Vitelli, Vincenzo and Beller, Daniel A. and Dogic, Zvonimir},
abstractNote = {Topological structures are effective descriptors of the nonequilibrium dynamics of diverse many-body systems. For example, motile, point-like topological defects capture the salient features of two-dimensional active liquid crystals composed of energy-consuming anisotropic units. In this work, we dispersed force-generating microtubule bundles in a passive colloidal liquid crystal to form a three-dimensional active nematic. Light-sheet microscopy revealed the temporal evolution of the millimeter-scale structure of these active nematics with single-bundle resolution. The primary topological excitations are extended, charge-neutral disclination loops that undergo complex dynamics and recombination events. Our work suggests a framework for analyzing the nonequilibrium dynamics of bulk anisotropic systems as diverse as driven complex fluids, active metamaterials, biological tissues, and collections of robots or organisms.},
doi = {10.1126/science.aaz4547},
journal = {Science},
number = 6482,
volume = 367,
place = {United States},
year = {Thu Mar 05 00:00:00 EST 2020},
month = {Thu Mar 05 00:00:00 EST 2020}
}
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https://doi.org/10.1126/science.aaz4547
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Works referencing / citing this record:
Data from numerical simulations of topological structure and dynamics of three-dimensional active nematics
dataset, January 2020
- Banerjee, D. (Debarghya); (Federico), Toschi, F.; (Vincenzo), Vitelli, V.
- 4TU.Centre for Research Data