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- Tatsuhiro Imaeda, Akira Furukawa, Akira Onuki
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2004

We numerically investigate viscoelastic phase separation in polymer solutions under shear using a time-dependent Ginzburg-Landau model. The gross variables in our model are the polymer volumeâ€¦ (More)

- Akira Furukawa, Akira Onuki
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2002

We present hydrodynamic equations of compressible fluids in gravity as a generalization of those in the Boussinesq approximation used for nearly incompressible fluids. They account for adiabaticâ€¦ (More)

- Akira Furukawa, Horst BraunwarthDirk Meyer, Akira Onuki, Andrei B Kogan
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2003

The time profile DeltaT(t) of the temperature difference, measured across a very compressible fluid layer of supercritical 3He after the start of a heat flow, shows a damped oscillatory behaviorâ€¦ (More)

- Koji Tojo, Akira Furukawa, Takeshi Araki, Akira Onuki
- The European physical journal. E, Soft matter
- 2009

We numerically study the orientation deformations in nematic liquid crystals around charged particles. We set up a Ginzburg-Landau theory with inhomogeneous electric field. If the dielectricâ€¦ (More)

We investigate spatio-temporal structures in sheared polymer systems by solving a time-dependent Ginzburg-Landau model in two dimensions. (i) In polymer solutions above the coexistence curve,â€¦ (More)

- Akira Onuki, Akira Furukawa
- Physical review letters
- 2001

In elastically inhomogeneous alloys, in which the shear modulus depends on the composition, coarsening in phase separation can be pinned even without quenched disorder. Here networks in the softâ€¦ (More)

- Akira Furukawa
- The Journal of chemical physics
- 2004

Microrheology of semidilute polymer solutions is investigated. In this paper we calculate a response function of a probe particle embedded in a semidilute polymer solution by analyzing the two-fluidâ€¦ (More)

- Akira Furukawa
- 2002

â€“ The viscoelastic effect on the hydrodynamic relaxation in semi-dilute polymer solutions is investigated. From the linearized two-fluid model equations we predict that the dynamical asymmetryâ€¦ (More)

We present a time-dependent Ginzburg-Landau model of nonlinear elasticity in solid materials. We assume that the elastic energy density is a periodic function of the shear and tetragonal strainsâ€¦ (More)

- Akira Furukawa, Horst BraunwarthDirk Meyer, Akira Onuki
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2005

Numerical simulation studies in 2D with the addition of noise are reported for the convection of a supercritical fluid, 3He , in a Rayleigh-BÃ©nard cell. The noise addition is to accelerate theâ€¦ (More)

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