Zobrazeno 1 - 10
of 20
pro vyhledávání: '"O'Byrne, Jérémy"'
In this article we derive and test the fluctuating hydrodynamic description of active particles interacting via taxis and quorum sensing, both for mono-disperse systems and for mixtures of co-existing species of active particles. We compute the avera
Externí odkaz:
http://arxiv.org/abs/2402.05072
Autor:
O'Byrne, Jérémy, Cates, Michael E.
In this article, we analyze three classes of time-reversal of a Markov process with Gaussian noise on a manifold. We first unveil a commutativity constraint for the most general of these time-reversals to be well defined. Then we give a triad of nece
Externí odkaz:
http://arxiv.org/abs/2402.04217
Autor:
Dinelli, Alberto, O'Byrne, Jérémy, Curatolo, Agnese, Zhao, Yongfeng, Sollich, Peter, Tailleur, Julien
Publikováno v:
Nature Communications 14, 7035 (2023)
In active matter, the lack of momentum conservation makes non-reciprocal interactions the rule rather than the exception. They lead to a rich set of emerging behaviors that are hard to account for and to predict starting from the microscopic scale, d
Externí odkaz:
http://arxiv.org/abs/2203.07757
Active particles may undergo phase separation when interactions oppose self-propulsion, in the absence of any cohesive forces. The corresponding Motility-Induced Phase Separation (MIPS) is arguably the simplest non-trivial collective feature that dis
Externí odkaz:
http://arxiv.org/abs/2112.03979
Autor:
O'Byrne, Jérémy
We introduce a new formalism to study nonequilibrium steady-state currents in stochastic field theories. We show that generalizing the exterior derivative to functional spaces allows identifying the subspaces in which the system undergoes local rotat
Externí odkaz:
http://arxiv.org/abs/2108.13535
Publikováno v:
Nature Reviews Physics volume 4, pages 167-183 (2022)
Active matter encompasses systems whose individual consituents dissipate energy to exert propelling forces on their environment. This rapidly developing field harbors a dynamical phenomenology with no counterpart in passive systems. The extent to whi
Externí odkaz:
http://arxiv.org/abs/2104.03030
Autor:
Martin, David, O'Byrne, Jérémy, Cates, Michael E., Fodor, Étienne, Nardini, Cesare, Tailleur, Julien, van Wijland, Frédéric
Publikováno v:
Phys. Rev. E 103, 032607 (2021)
We review and extend recent developments on the statistical properties of Active Ornstein Uhlenbeck particles (AOUPs). In this simplest of models, the Gaussian white noise of overdamped Brownian colloids is replaced by a Gaussian colored noise. This
Externí odkaz:
http://arxiv.org/abs/2008.12972
Autor:
O'Byrne, Jérémy, Tailleur, Julien
Publikováno v:
Phys. Rev. Lett. 125, 208003 (2020)
We consider microscopic models of active particles whose velocities, rotational diffusivities, and tumbling rates depend on the gradient of a local field, which is either externally imposed or depends on all particle positions. Despite the fundamenta
Externí odkaz:
http://arxiv.org/abs/2007.00375
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