Zobrazeno 1 - 10
of 251
pro vyhledávání: '"Merlitz, Holger"'
Autor:
Besford, Quinn A., Merlitz, Holger, Schubotz, Simon, Yong, Huaisong, Chae, Soosang, Schnepf, Max J., Weiss, Alessia C. G., Auernhammer, Günter K., Sommer, Jens-Uwe
Polymer brushes, consisting of densely end-tethered polymers to a surface, can exhibit rapid and sharp conformational transitions due to specific stimuli, which offer intriguing possibilities for surface-based sensing of the stimuli. The key toward u
Externí odkaz:
https://tud.qucosa.de/id/qucosa%3A82952
https://tud.qucosa.de/api/qucosa%3A82952/attachment/ATT-0/
https://tud.qucosa.de/api/qucosa%3A82952/attachment/ATT-0/
The properties of polymer–nanoparticle (NP) mixtures significantly depend on the dispersion of the NPs. Using molecular dynamics simulations, we demonstrate that, in the presence of polymer–NP attraction, the dispersion of NPs in semidilute and c
Externí odkaz:
https://tud.qucosa.de/id/qucosa%3A36333
https://tud.qucosa.de/api/qucosa%3A36333/attachment/ATT-0/
https://tud.qucosa.de/api/qucosa%3A36333/attachment/ATT-0/
We consider a rigid assembly of two active Brownian particles, forming an active colloidal dimer, in a gradient of activity. We show analytically that depending on the relative orientation of the two particles the active dimer accumulates in regions
Externí odkaz:
http://arxiv.org/abs/2205.07678
Publikováno v:
Phys. Rev. Lett. 126, 208102 (2021)
Active particles with their characteristic feature of self-propulsion are regarded as the simplest models for motility in living systems. The accumulation of active particles in low activity regions has led to the general belief that chemotaxis requi
Externí odkaz:
http://arxiv.org/abs/2009.09060
Using Brownian dynamics simulations, the motion of active Brownian particles (ABPs) in the presence of fuel (or 'food') sources is studied. It is an established fact that within confined stationary systems, the activity of ABPs generates density prof
Externí odkaz:
http://arxiv.org/abs/1909.02779
Autor:
Vuijk, Hidde Derk, Sommer, Jens-Uwe, Merlitz, Holger, Brader, Joseph Michael, Sharma, and Abhinav
Publikováno v:
Phys. Rev. Research 2, 013320 (2020)
We consider the nonequilibrium dynamics of a charged active Brownian particle in the presence of a space dependent magnetic field. It has recently been shown that the Lorentz force induces a particle flux perpendicular to density gradients, thus prev
Externí odkaz:
http://arxiv.org/abs/1908.02577
In a theoretical and simulation study, active Brownian particles (ABPs) in three-dimensional bulk systems are exposed to time-varying sinusoidal activity waves that are running through the system. A linear response (Green-Kubo) formalism is applied t
Externí odkaz:
http://arxiv.org/abs/1802.03964
Publikováno v:
In European Polymer Journal 5 November 2022 180
Publikováno v:
Phys. Rev. E 97, 042612 (2018)
We study dynamical properties of confined, self-propelled Brownian particles in an inhomogeneous activity profile. Using Brownian dynamics simulations, we calculate the probability to reach a fixed target and the mean first passage time to the target
Externí odkaz:
http://arxiv.org/abs/1712.03279
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