Generalized three-sphere microswimmers

K Yasuda, Y Hosaka, S Komura - Journal of the Physical Society of …, 2023 - journals.jps.jp
Among several models for microswimmers, the three-sphere microswimmer proposed by
Najafi and Golestanian captures the essential mechanism for the locomotion of a …

Time-correlation functions for odd Langevin systems

K Yasuda, K Ishimoto, A Kobayashi, LS Lin… - The Journal of …, 2022 - pubs.aip.org
We investigate the statistical properties of fluctuations in active systems that are governed by
nonsymmetric responses. Both an underdamped Langevin system with an odd resistance …

State diagram of a three-sphere microswimmer in a channel

A Daddi-Moussa-Ider, M Lisicki… - Journal of Physics …, 2018 - iopscience.iop.org
Geometric confinements are frequently encountered in soft matter systems and in particular
significantly alter the dynamics of swimming microorganisms in viscous media. Surface …

Odd microswimmer

K Yasuda, Y Hosaka, I Sou, S Komura - Journal of the Physical …, 2021 - journals.jps.jp
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Time-correlation functions of stochastic three-sphere micromachines

J Li, Z Zhang, Z Hou, K Yasuda, L He, S Komura - Physical Review E, 2024 - APS
We discuss and compare the statistical properties of two stochastic three-sphere
micromachines, ie, odd micromachine and thermal micromachine. We calculate the steady …

Correlations in multithermostat Brownian systems with Lorentz force

I Abdoli, E Kalz, HD Vuijk, R Wittmann… - New journal of …, 2020 - iopscience.iop.org
We study the motion of a Brownian particle subjected to Lorentz force due to an external
magnetic field. Each spatial degree of freedom of the particle is coupled to a different …

Reciprocal microswimmers in a viscoelastic fluid

K Yasuda, M Kuroda, S Komura - Physics of Fluids, 2020 - pubs.aip.org
We suggest several reciprocal swimming mechanisms that lead to locomotion only in
viscoelastic fluids. In the first situation, we consider a three-sphere microswimmer with a …

Nonequilibrium probability flux of a thermally driven micromachine

I Sou, Y Hosaka, K Yasuda, S Komura - Physical Review E, 2019 - APS
We discuss the nonequilibrium statistical mechanics of a thermally driven micromachine
consisting of three spheres and two harmonic springs [Y. Hosaka et al., J. Phys. Soc. Jpn …

Reciprocal microswimming in fluctuating and confined environments

Y Hiruta, K Ishimoto - Physical Review Research, 2024 - APS
From bacteria and sperm cells to artificial microrobots, self-propelled microscopic objects at
low Reynolds numbers often perceive fluctuating mechanical and chemical stimuli and …

Hydrodynamic interaction between two elastic microswimmers

M Kuroda, K Yasuda, S Komura - Journal of the Physical Society of …, 2019 - journals.jps.jp
We investigate the hydrodynamic interaction between two elastic swimmers composed of
three spheres and two harmonic springs. In this model, the natural length of each spring is …