Yuto Hosaka
YOU?
Author Swipe
View article: Thermally Driven Two-Sphere Microswimmer with Internal Feedback Control
Thermally Driven Two-Sphere Microswimmer with Internal Feedback Control Open
View article: Analytical solution for the hydrodynamic resistance of a disk in a compressible fluid layer with odd viscosity on a rigid substrate
Analytical solution for the hydrodynamic resistance of a disk in a compressible fluid layer with odd viscosity on a rigid substrate Open
Chiral active fluids can exhibit odd viscosity, a property that breaks the time-reversal and parity symmetries. Here, we examine the hydrodynamic flows of a rigid disk moving in a compressible 2D fluid layer with odd viscosity, supported b…
View article: Hydrodynamic flow field and frictional resistance coefficient of a disk rotating steadily in a compressible fluid layer with odd viscosity on a rigid substrate
Hydrodynamic flow field and frictional resistance coefficient of a disk rotating steadily in a compressible fluid layer with odd viscosity on a rigid substrate Open
We analyze the hydrodynamics of a rotating disk in a two-dimensional compressible fluid layer with odd viscosity. Unlike conventional fluids, odd viscosity introduces a radial flow component that can be directed either inward or outward, d…
View article: Analytical solution for the hydrodynamic resistance of a disk in a compressible fluid layer with odd viscosity on a rigid substrate
Analytical solution for the hydrodynamic resistance of a disk in a compressible fluid layer with odd viscosity on a rigid substrate Open
Chiral active fluids can exhibit odd viscosity, a property that breaks the time-reversal and parity symmetries. Here, we examine the hydrodynamic flows of a rigid disk moving in a compressible 2D fluid layer with odd viscosity, supported b…
View article: Chirotactic response of microswimmers in fluids with odd viscosity
Chirotactic response of microswimmers in fluids with odd viscosity Open
Odd viscosity is a property of chiral active fluids with broken time-reversal and parity symmetries. We show that the flow of such a fluid around a rotating axisymmetric body is exactly solvable and use this solution to determine the orien…
View article: Chirotactic response of microswimmers in fluids with odd viscosity
Chirotactic response of microswimmers in fluids with odd viscosity Open
Odd viscosity is a property of chiral active fluids with broken time-reversal and parity symmetries. We show that the flow of such a fluid around a rotating axisymmetric body is exactly solvable and use this solution to determine the orien…
View article: Lorentz Reciprocal Theorem in Fluids with Odd Viscosity
Lorentz Reciprocal Theorem in Fluids with Odd Viscosity Open
The Lorentz reciprocal theorem—that is used to study various transport phenomena in hydrodynamics—is violated in chiral active fluids that feature odd viscosity with broken time-reversal and parity symmetries. Here, we show that the theore…
View article: Generalized Three-Sphere Microswimmers
Generalized Three-Sphere Microswimmers Open
Among several models for microswimmers, the three-sphere microswimmer proposed by Najafi and Golestanian captures the essential mechanism for the locomotion of a microswimmer in a viscous fluid. Owing to its simplicity and flexibility, the…
View article: Hydrodynamics of an odd active surfer in a chiral fluid
Hydrodynamics of an odd active surfer in a chiral fluid Open
We theoretically and computationally study the low-Reynolds-number hydrodynamics of a linear active microswimmer surfing on a compressible thin fluid layer characterized by an odd viscosity. Since the underlying three-dimensional fluid is …
View article: Axisymmetric monopole and dipole flow singularities in proximity of a stationary no-slip plate immersed in a Brinkman fluid
Axisymmetric monopole and dipole flow singularities in proximity of a stationary no-slip plate immersed in a Brinkman fluid Open
The Green's function plays an important role in many areas of physical sciences and is a prime tool for solving diverse hydrodynamic equations in the linear regime. In the present contribution, the axisymmetric low-Reynolds-number Brinkman…
View article: Odd Elasticity of a Catalytic Micromachine
Odd Elasticity of a Catalytic Micromachine Open
We perform numerical simulations of a model micromachine driven by catalytic chemical reactions. Our model includes a mechano-chemical coupling between the structural variables and the nonequilibrium variable describing the catalytic react…
View article: Lorentz Reciprocal Theorem in Fluids with Odd Viscosity
Lorentz Reciprocal Theorem in Fluids with Odd Viscosity Open
The Lorentz reciprocal theorem -- that is used to study various transport phenomena in hydrodynamics -- is violated in chiral active fluids that feature odd viscosity with broken time-reversal and parity symmetries. Here we show that the t…
View article: Generalized Three-Sphere Microswimmers
Generalized Three-Sphere Microswimmers Open
Among several models for microswimmers, the three-sphere microswimmer proposed by Najafi and Golestanian captures the essential mechanism for the locomotion of a microswimmer in a viscous fluid. Owing to its simplicity and flexibility, the…
View article: Axisymmetric monopole and dipole flow singularities in proximity of a stationary no-slip plate immersed in a Brinkman fluid
Axisymmetric monopole and dipole flow singularities in proximity of a stationary no-slip plate immersed in a Brinkman fluid Open
Green's function plays an important role in many areas of physical sciences and is a prime tool for solving diverse hydrodynamic equations in the linear regime. In the present contribution, the axisymmetric low-Reynolds-number Brinkman flo…
View article: Hydrodynamics of an odd active surfer in a chiral fluid
Hydrodynamics of an odd active surfer in a chiral fluid Open
We theoretically and computationally study the low-Reynolds-number hydrodynamics of a linear active microswimmer surfing on a compressible thin fluid layer characterized by an odd viscosity. Since the underlying three-dimensional fluid is …
View article: Onsager’s Variational Principle for Nonreciprocal Systems with Odd Elasticity
Onsager’s Variational Principle for Nonreciprocal Systems with Odd Elasticity Open
Using Onsager's variational principle, we derive dynamical equations for a nonequilibrium active system with odd elasticity. The elimination of the extra variable that is coupled to the nonequilibrium driving force leads to the nonreciproc…
View article: Odd elasticity of a catalytic micromachine
Odd elasticity of a catalytic micromachine Open
We perform numerical simulations of a model micromachine driven by catalytic chemical reactions. Our model includes a mechano-chemical coupling between the structural variables and the nonequilibrium variable describing the catalytic react…
View article: Pair dynamics of active force dipoles in an odd-viscous fluid
Pair dynamics of active force dipoles in an odd-viscous fluid Open
We discuss the lateral dynamics of two active force dipoles, which interact with each other via hydrodynamic interactions in a thin fluid layer that is active and chiral. The fluid layer is modeled as a two-dimensional (2D) compressible fl…
View article: Simulations of Odd Microswimmers
Simulations of Odd Microswimmers Open
We perform numerical simulations of odd microswimmers consisting of three spheres and two odd springs. To describe the hydrodynamic interaction, both the Oseen-type and the Rotne-Prager-Yamakawa (RPY)-type mobilities are used. For the Osee…
View article: Onsager's variational principle for nonreciprocal systems with odd elasticity
Onsager's variational principle for nonreciprocal systems with odd elasticity Open
Using Onsager's variational principle, we derive dynamical equations for a nonequilibrium active system with odd elasticity. The elimination of the extra variable that is coupled to the nonequilibrium driving force leads to the nonreciproc…
View article: Time-correlation functions for odd Langevin systems
Time-correlation functions for odd Langevin systems Open
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 tensor and an overdamped Langevin system with an odd elasti…
View article: Nonequilibrium Transport Induced by Biological Nanomachines
Nonequilibrium Transport Induced by Biological Nanomachines Open
Biological nanomachines are nanometer-size macromolecular complexes that catalyze chemical reactions in the presence of substrate molecules. The catalytic functions carried out by such nanomachines in the cytoplasm, and biological membrane…
View article: Nonequilibrium Transport Induced by Biological Nanomachines
Nonequilibrium Transport Induced by Biological Nanomachines Open
Biological nanomachines are nanometer-size macromolecular complexes that catalyze chemical reactions in the presence of substrate molecules. The catalytic functions carried out by such nanomachines in the cytoplasm, and biological membrane…
View article: Lateral response of a layered material with interlayer friction
Lateral response of a layered material with interlayer friction Open
We investigate the mechanical properties of a layered material with interlayer friction. We propose a model that contains lateral elasticity and interlayer friction to obtain the response function both in the Fourier and real spaces. By in…
View article: Time-correlation functions for odd Langevin systems
Time-correlation functions for odd Langevin systems Open
We investigate the statistical properties of fluctuations in active systems that are governed by non-symmetric responses. Both an underdamped Langevin system with an odd resistance tensor and an overdamped Langevin system with an odd elast…
View article: The Onsager–Machlup Integral for Non-Reciprocal Systems with Odd Elasticity
The Onsager–Machlup Integral for Non-Reciprocal Systems with Odd Elasticity Open
The variational principle of the Onsager-Machlup integral is used to describe\nthe stochastic dynamics of a micromachine, such as an enzyme, characterized by\nodd elasticity. The obtained most probable path is found to become\nnon-reciproc…
View article: Odd Microswimmer
Odd Microswimmer Open
We propose a model for a thermally driven microswimmer in which three spheres\nare connected by two springs with odd elasticity. We demonstrate that the\npresence of odd elasticity leads to the directional locomotion of the\nstochastic mic…
View article: Nonreciprocal response of a two-dimensional fluid with odd viscosity
Nonreciprocal response of a two-dimensional fluid with odd viscosity Open
We discuss the linear hydrodynamic response of a two-dimensional active chiral compressible fluid with odd viscosity. The viscosity coefficient represents broken time-reversal and parity symmetries in the 2D fluid and characterizes the dev…
View article: Irreversibility and entropy production of a thermally driven micromachine
Irreversibility and entropy production of a thermally driven micromachine Open
View article: Shear viscosity of two-state enzyme solutions
Shear viscosity of two-state enzyme solutions Open
We discuss the shear viscosity of a Newtonian solution of catalytic enzymes and substrate molecules. The enzyme is modeled as a two-state dimer consisting of two spherical domains connected with an elastic spring. The enzymatic conformatio…