Editorial: Motile active matter

Gompper, Gerhard; Bechinger, Clemens; Stark, Holger; Winkler, Roland

doi:10.1140/epje/s10189-021-00106-w

Eur. Phys. J. E

2021

DOI: 10.1140/epje/s10189-021-00106-w

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Editorial: Motile active matter

Gerhard Gompper

Clemens Bechinger

Holger Stark

et al.

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“…particles [23][24][25]. In the absence of a substrate, such systems show interesting phenomena such as motility-induced phase separation (MIPS), where the particles can selfcluster even when all of the particle-particle interactions are repulsive [26][27][28][29][30].…”

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Pattern formation and transport for externally driven active matter on periodic substrates ^(a)

Reichhardt

2023

EPL

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We investigate the transport of interacting active run-and-tumble particles moving under an external drift force through a periodic array of obstacles for increasing drive amplitudes. For high activity where the system forms a motility induced phase separated state, there are several distinct dynamic phases including a low drive pinned cluster phase, an intermediate uniform ﬂuid, and a higher drive stripe crystal state. The transitions between the phases are correlated with signatures in the transport curves, differential mobility, and power spectra of the velocity ﬂuctuations. In contrast, in the low activity regime the transport curves and power spectra undergo little change as a function of drive. We argue that in the high activity limit, the behavior is similar to that of driven solids on periodic substrates, while in the low activity limit the system behaves like a driven ﬂuid.

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Pattern formation and transport for externally driven active matter on periodic substrates ^(a)

Reichhardt

2023

EPL

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Designing, synthesizing, and modeling active fluids

et al. 2022

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We review recent advances in the design, synthesis, and modeling of active fluids. Active fluids have been at the center of many technological innovations and theoretical advances over the past two decades. Research on this new class of fluids has been inspired by the fascinating and remarkably efficient strategies that biological systems employ, leading to the development of biomimetic nano- and micro-machines and -swimmers. The review encompasses active fluids on both the nano- and the micro-scale, starting with examples of biological active systems before discussing how experimentalists leverage novel propulsion mechanisms to power nano- and micro-machines. We then examine how the study of these far-from-equilibrium systems has prompted the development of new simulation methods and theoretical models in nonquilibrium physics to account for their mechanical, thermodynamic and emergent properties. Recent advances in the field have paved the way for the design, synthesis, and modeling of autonomous systems at the nano- and micro-scale and open the door to the development of soft matter robotics.

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Editorial: Motile active matter

Cited by 2 publications

References 32 publications

Pattern formation and transport for externally driven active matter on periodic substrates ^(a)

Pattern formation and transport for externally driven active matter on periodic substrates ^(a)

Designing, synthesizing, and modeling active fluids

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Editorial: Motile active matter

Cited by 2 publications

References 32 publications

Pattern formation and transport for externally driven active matter on periodic substrates (a)

Pattern formation and transport for externally driven active matter on periodic substrates (a)

Designing, synthesizing, and modeling active fluids

Contact Info

Product

Resources

About

Pattern formation and transport for externally driven active matter on periodic substrates ^(a)

Pattern formation and transport for externally driven active matter on periodic substrates ^(a)