Results 11 to 20 of about 6,656,778 (331)

Chiral active matter [PDF]

open access: yesEurophysics Letters, 2022
Chiral active matter comprises particles which can self-propel and self-rotate. Examples range from sperm cells and bacteria near walls to autophoretic L-shaped colloids. In this perspective article we focus on recent developments in chiral active matter.
Benno Liebchen, D. Levis
semanticscholar   +3 more sources

Pulsating Active Matter. [PDF]

open access: yesPhysical Review Letters, 2022
We reveal that the mechanical pulsation of locally synchronized particles is a generic route to propagate deformation waves. We consider a model of dense repulsive particles whose activity drives periodic change in size of each individual.
Yiwei Zhang, É. Fodor
semanticscholar   +4 more sources

Learning protocols for the fast and efficient control of active matter. [PDF]

open access: yesNat Commun
Exact analytic calculation shows that optimal control protocols for passive molecular systems often involve rapid variations and discontinuities. However, similar analytic baselines are not generally available for active-matter systems, because it is ...
Casert C, Whitelam S.
europepmc   +3 more sources

Learning hydrodynamic equations for active matter from particle simulations and experiments. [PDF]

open access: yesProc Natl Acad Sci U S A, 2023
Significance Active systems, from self-propelled colloids to animal swarms, can form complex dynamical patterns as their microscopic constituents exchange energy and momentum with the environment.
Supekar R   +5 more
europepmc   +3 more sources

Geometrical control of interface patterning underlies active matter invasion. [PDF]

open access: yesProc Natl Acad Sci U S A, 2023
Significance Biological active matter consisting of living cells often invades the surrounding space via activity-induced boundary deformation or interface growth. Examples include tumor invasion and bacterial colony expansion. Here, we describe a unique
Xu H, Nejad MR, Yeomans JM, Wu Y.
europepmc   +3 more sources

Microscopic Swarms: From Active Matter Physics to Biomedical and Environmental Applications. [PDF]

open access: yesMicromachines (Basel), 2022
Microscopic swarms consisting of, e.g., active colloidal particles or microorganisms, display emergent behaviors not seen in equilibrium systems. They represent an emerging field of research that generates both fundamental scientific interest and ...
Fu Y   +5 more
europepmc   +2 more sources

From a microscopic inertial active matter model to the Schrödinger equation. [PDF]

open access: yesNat Commun, 2023
Active field theories are powerful tools to explain phenomena such as motility-induced phase separation. The authors report an active analogue to the quantum mechanics tunneling effect, showing similarity to the Schrödinger equation, by introducing an ...
Te Vrugt M   +4 more
europepmc   +3 more sources

Topological active matter [PDF]

open access: yesNature Reviews Physics, 2020
In active matter systems, individual constituents convert energy into non-conservative forces or motion at the microscale, leading to morphological features and transport properties that do not occur in equilibrium and that are robust against certain ...
Suraj Shankar   +4 more
semanticscholar   +4 more sources

Measurement-Induced Phase Transitions in Informational Active Matter [PDF]

open access: green, 2023
Many biological and synthetic systems out of equilibrium can be viewed as ratchets that rectify environmental noise through measurements and information processing, like in Maxwell's prototypical demon. These systems pose a challenge to standard approaches because they are better described in terms of decision-making protocols similar to computer ...
Bryan VanSaders   +2 more
openalex   +3 more sources

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