Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Benoît Mahault"'
Autor:
Maximilian Kurjahn, Leila Abbaspour, Franziska Papenfuß, Philip Bittihn, Ramin Golestanian, Benoît Mahault, Stefan Karpitschka
Publikováno v:
Nature Communications, Vol 15, Iss 1, Pp 1-10 (2024)
Abstract Motility coupled to responsive behavior is essential for many microorganisms to seek and establish appropriate habitats. One of the simplest possible responses, reversing the direction of motion, is believed to enable filamentous cyanobacter
Externí odkaz:
https://doaj.org/article/62517043c5ee417ab292a1ed94389518
Publikováno v:
Physical Review Research, Vol 6, Iss 1, p 013274 (2024)
We study the energetic efficiency of navigating microswimmers by explicitly taking into account the geometry of their body. We show that, whereas arguments based solely on propulsion efficiency lead one to conclude that needle-like swimmers are most
Externí odkaz:
https://doaj.org/article/bbe0e3e616e14803a1c9085e4b36506b
Publikováno v:
Physical Review Research, Vol 5, Iss 2, p L022012 (2023)
We introduce and study a model of active Brownian motion with multiplicative noise describing fluctuations in the self-propulsion or activity. We find that the standard picture of density accumulation in slow regions is qualitatively modified by acti
Externí odkaz:
https://doaj.org/article/afc4fb2af5ee414cbdc26e74e93f432b
Publikováno v:
Nature Communications, Vol 13, Iss 1, Pp 1-9 (2022)
While topology is crucial in complex systems, stochastic thermodynamics uncovers universal constraints for non-equilibrium fluctuations. The authors combine these two areas and formulate a fluctuation theorem for the heat dissipated along closed loop
Externí odkaz:
https://doaj.org/article/b843adbcf3da493d8decc697226d8e52
Publikováno v:
Frontiers in Physics, Vol 10 (2022)
Optimal navigation in complex environments is a problem with multiple applications ranging from designing efficient search strategies to engineering microscopic cargo delivery. When motion happens in presence of strong external forces, route optimiza
Externí odkaz:
https://doaj.org/article/ad12a546d96144c1a7869de3be7c6f2c
Publikováno v:
New Journal of Physics, Vol 24, Iss 9, p 093037 (2022)
We design new navigation strategies for travel time optimization of microscopic self-propelled particles in complex and noisy environments. In contrast to strategies relying on the results of optimal control theory or machine learning approaches, imp
Externí odkaz:
https://doaj.org/article/7a64f6abefee46eda86e9a15ff5078eb
Autor:
Benoît Mahault, Ramin Golestanian
Publikováno v:
New Journal of Physics, Vol 22, Iss 6, p 063045 (2020)
A generic class of scalar active matter, characterized at the mean field level by the diffusivity vanishing above some threshold density, was recently introduced [Golestanian R 2019 Phys. Rev. E 100 010601(R)]. In the presence of harmonic confinement
Externí odkaz:
https://doaj.org/article/229ed360e7ed486bb8222b7dc34387b9
Autor:
Hugues Chaté, Benoît Mahault
Publikováno v:
Active Matter and Nonequilibrium Statistical Physics ISBN: 0192858319
Dry, aligning, dilute, active matter (DADAM) refers to a corner of the multidimensional, fast-growing field of active matter. This corner has both historical and theoretical importance for the entire field. This chapter first describes this particula
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c57e78ee881da15c8c802bb7954d3e8a
https://doi.org/10.1093/oso/9780192858313.003.0001
https://doi.org/10.1093/oso/9780192858313.003.0001
Autor:
Joan Codina, Benoît Mahault, Hugues Chaté, Jure Dobnikar, Ignacio Pagonabarraga, Xia-qing Shi
We show that arbitrarily large polar flocks are susceptible to the presence of a single small obstacle. In a wide region of parameter space, the obstacle triggers counter-propagating dense bands leading to reversals of the flow. In very large systems
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::48026b77f06e81ff7c5566d2444e6434
http://hdl.handle.net/2445/192654
http://hdl.handle.net/2445/192654
Publikováno v:
Nature communications. 13(1)
Fluctuation theorems specify the non-zero probability to observe negative entropy production, contrary to a naive expectation from the second law of thermodynamics. For closed particle trajectories in a fluid, Stokes theorem can be used to give a geo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::322d638972a37b491d71d86b60e11803
https://pubmed.ncbi.nlm.nih.gov/35641506
https://pubmed.ncbi.nlm.nih.gov/35641506