Papers and Presentations

Papers (Only papers including students as authors)

Publication list for Hiroyuki Kitahata is here.

[31] Yuta Tateyama, Hiroaki Ito, Shigeyuki Komura, and Hiroyuki Kitahata,
"Pattern dynamics of the nonreciprocal Swift-Hohenberg model",
Phys. Rev. E, 110, 054290 (2024).
[30] Sayaka Otani, Hiroaki Ito, Tomonori Nomoto, Masanori Fujinami, Jerzy Górecki, and Hiroyuki Kitahata,
"Deformation dynamics of an oil droplet into a crescent shape during intermittent motion",
Phys. Rev. E, 110, 044602 (2024).
[29] Motoya Suzaka, Hiroaki Ito, and Hiroyuki Kitahata,
"Aspect-ratio-dependent void formation in active rhomboidal and elliptical particle systems",
Phys. Rev. E, 110, 024609 (2024).
[28] Yuki Araya, Hiroaki Ito, and Hiroyuki Kitahata,
"Two-dimensional hydrodynamic simulation for synchronized oscillatory flows in two collapsible channels connected in parallel",
Phys. Rev. E, 109, 054201 (2024).
[27] Yudai Okishio, Hiroaki Ito, and Hiroyuki Kitahata,
"Horizontal transport in the bouncing ball system with a sawtooth-shaped table ",
Physica D, 453, 133754 (2023).
[26] Nana Takeda, Hiroaki Ito, and Hiroyuki Kitahata,
"Two-dimensional hydrodynamic simulation for synchronization in coupled density oscillators",
Phys. Rev. E, 107, 034201 (2023).
[25] Hiroaki Ishikawa, Yuki Koyano, Hiroyuki Kitahata, and Yutaka Sumino,
"Pairing-induced motion of source and inert particles driven by surface tension",
Phys. Rev. E, 106, 024604 (2022).
[24] Yuki Araya, Hiroaki Ito, and Hiroyuki Kitahata,
"Bifurcation structure of the flame oscillation",
Phys. Rev. E, 105, 044208 (2022).

"Fabrication of microparticles with fron-back asymmetric shapes using anisotropic gelation"

Micromachines

"Spontaneous deformation and fission of oil droplets on an aqueous surfactant solution"

Phys. Rev. E

102

[21] Yudai Okishio, Hiroaki Ito, and Hiroyuki Kitahata,
"Local bifurcation structure of a bouncing ball system with a piecewise polynomial function for table displacement",
Chaos, 30, 083128 (2020).
[20] Nana Takeda, Naoko Kurata, Hiroaki Ito, and Hiroyuki Kitahata,
"Bifurcation analysis of a density oscillator using two-dimensional hydrodynamic simulation",
Phys. Rev. E, 101, 042216 (2020).
[19] Hiroaki Ito, Taisuke Itasaka, Nana Takeda, and Hiroyuki Kitahata,
Experimental study on the bifurcation of a density oscillator depending on density difference",
EPL, 129, 18001 (2020).
[18] Yuki Koyano, Nobuhiko J. Suematsu, and Hiroyuki Kitahata,
Rotational motion of a camphor disk in a circular region,
Phys. Rev. E, 99, 022211 (2019).
[17] Jerzy Gorecki, Hiroyuki Kitahata, Yuki Koyano, Marian Gryciuk, Maciej Malecki, and Nobuhiko J. Suematsu,
XOR gate for information coded with camphor particles moving on the water surface,
Int. J. Unconventional Comput., 13, 417-434 (2018).
[16] Shin-Ichiro Ei, Hiroyuki Kitahata, Yuki Koyano, and Masaharu Nagayama,
Interaction of non-radially symmetric camphor particles,
Physica D, 366, 10-26 (2018).
[15] Alexander S. Mikhailov, Yuki Koyano, and Hiroyuki Kitahata,
Hydrodynamic effects in oscillatory active nematics,
J. Phys. Soc. Jpn., 86, 101013 (2017).
[14] Yuki Koyano, Marian Gryciuk, Paulina Skrobanska, Maciej Malecki, Yutaka Sumino, Hiroyuki Kitahata, and Jerzy Gorecki,
Relationship between the size of camphor driven rotor and its angular velocity,
Phys. Rev. E, 96, 012609 (2017).
[13] Jerzy Gorecki, Hiroyuki Kitahata, Nobuhiko J. Suematsu, Yuki Koyano, Paulina Skrobanska, Marian Gryciuk, Maciej Malecki, Takahiro Tanabe, Hiroya Yamamoto, and Satoshi Nakata,
Unidirectional motion of a camphor disk on water forced by interactions between surface camphor concentration and dynamically changing boudaries ,
Phys. Chem. Chem. Phys., 19, 18767-18772 (2017).

[12] Yuki Koyano, Tatsunari Sakurai, and Hiroyuki Kitahata,
Oscillatory motion of a camphor grain in a one-dimensional finite region",
Phys. Rev. E, 94, 042215 (2016).
[11] Yuki Koyano, Hiroyuki Kitahata, and Alexander S. Mikhailov,
"Hydrodynamic collective effects of active proteins in biological membranes",
Phys. Rev. E, 94, 022416 (2016).
[10] Taisuke Banno, Arisa Asami, Naoko Ueno, Hiroyuki Kitahata, Yuki Koyano, Kouichi Asakura, and Taro Toyota,
"Deformable self-propelled micro-object comprising underwater oil droplets",
Sci. Rep., 6, 31292 (2016).
[9] Satoshi Nakata, Hiroya Yamamoto, Yuki Koyano, Osamu Yamanaka, Yutaka Sumino, Nobuhiko Jessis Suematsu, Hiroyuki Kitahata, Paulina Skrobanska, and Jerzy Gorecki,
"Selection of rotation direction for a camphor disk resulting from a chiral asymmetry of a water chamber",
J. Phys. Chem. B, 120, 9166 (2016).
[8] Masanobu Horie, Tatsunari Sakurai, and Hiroyuki Kitahata,
Experimental and theoretical approach for the clustering of globally coupled density oscillators based on phase response,
Phys. Rev. E, 93, 012212 (2016).
[7] Hiroyuki Kitahata, Rui Tanaka, Yuki Koyano, Satoshi Matsumoto, Katsuhiro Nishinari, Tadashi Watanabe, Koji Hasegawa, Tetsuya Kanagawa, Akiko Kaneko, and Yutaka Abe,
"Oscillation of a rotating levitated droplet: Analysis with a mechanical model",
Phys. Rev. E, 92, 062904 (2015).
[6] Tomohiro Sasaki, Nobuhiko Jessis Suematsu, Tatsunari Sakurai, and Hiroyuki Kitahata,
"Spontaneous Recurrence of Deposition and Dissolution of a Solid Layer on a Solution Surface",
J. Phys. Chem. B, 119, 9970-9974 (2015).
[5] Yuki Koyano, Yoshinaga Natsuhiko, and Hiroyuki Kitahata,
"General criteria for determining rotation or oscillation in a two-dimensional axisymmetric system",
J. Chem. phys., 143, 014117 (2015).
[4] Shingo Miyazaki, Tatsunari Sakurai, and Hiroyuki Kitahata,
"Coupling Between a Chemical Wave and Motion in a Belousov- Zhabotinsky Droplet",
Curr. Phys. Chem., 5, 82-90, (2014).
[3] Nobuhiko J. Suematsu, Tomohiro Sasaki, Satoshi Nakata, and Hiroyuki Kitahata,
"Quantitative Estimation of the Parameters for Self-Motion Driven by Difference in Surface Tension",
Langmuir, 30, 8101-8108 (2014).
[2] Sho Kitawaki, Kazuki Shioiri, Tatsunari Sakurai, and Hiroyuki Kitahata,
"Control of the Self-Motion of a Ruthenium-Catalyzed Belousov-Zhabotinsky Droplet",
J. Phys. Chem. C, 116, 26805-26809 (2012).
[1] Naoko Kurata, Hiroyuki Kitahata, Hitoshi Mahara, Atsushi Nomura, Hidetoshi Miike, and Tatsunari Sakurai,
"Stationary pattern formation in a discrete excitable system with strong inhibitory coupling",
Phys. Rev. E, 79, 056203 (2009).

Presentations in International Meeting (Only those persented by students)

2024

Gordon Research Seminar: Oscillations and Dynamic Instabilities in Chemical Systems, Les Diablerets, Switzerland, July 13-14, 2024
[1]Yuki Araya, Hiroaki Ito, and Hiroyuki Kitahata:
"Synchronized oscillatory flows in two coupled collapsible channels" (poster)

Gordon Research Conference: Oscillations and Dynamic Instabilities in Chemical Systems, Les Diablerets, Switzerland, July 14-19, 2024
[2]Yuki Araya, Hiroaki Ito, and Hiroyuki Kitahata:
"Synchronized oscillatory flows in two coupled collapsible channels" (poster)

International Conference on "Self-organization in Life and Matter", Meiji University, Sep. 9-11, 2024
[3]Yuki Araya, Hiroaki Ito, Hiroyuki Kitahata:
"Hydrodynamic simulation of synchronized flow pattern in two coupled collapsible tubes" (poster)
[4]Yuta Tateyama, Hiroaki Ito, Shigeyuki Komura, Hiroyuki Kitahata:
"Analysis of bifurcation structure in the non-reciprocal Swift-Hohenberg model" (poster)
[5]Mizuki Nakamura, Hiroaki Ito, Hiroyuki Kitahata:
"Analysis of the bifurcation in thermal convection patterns in immiscible liquid bilayer with an undeformed interface" (poster)

Warsaw Soft Matter Day #2, Faculty of Physics, University of Warsaw, Poland, Sep. 27, 2024
[6]Mizuki Nakamura:
"Bifurcation analysis of the thermal convection pattern in two immiscible liquid layers with an undeformed interface" (poster)

2023

Mini symposium for self-organization of fluidic systems, Morito Memorial Hall, Tokyo University of Science, May 13, 2023
[1]Sayaka Otani:
"Deformation and intermittent motion of a camphor-paraffin droplet" (oral)

STATPHYS28, The University of Tokyo, Hongo campus, Aug. 7-11
[2]Hiroaki Ishikawa, Hiroaki Ito, Hiroyuki Kitahata:
"Collective motion of self-propelled particles with anisotropic shape" (poster)
[3]Yuki Araya, Hiroaki Ito, Hiroyuki Kitahata:
"Subcritical Hopf bifurcation of the flame oscillation" (poster)
[4]Sakaya Otani, Hiroaki Ito, Hiroyuki Kitahata:
"Deformation of a paraffin droplet with camphor and dye" (poster)

XLIII Dynamics Days Europe, Università degli Studi di Napoli Federico II, Naples, Italy，Sep. 3-8, 2023
[5]Yuki Araya, Hiroaki Ito, Hiroyuki Kitahata:
"Flame dynamics around the Hopf bifurcation point" (poster)

The 7th International Soft Matter Conference, Osaka International Conventional Center, Osaka, Japan，Sep. 4-8, 2023
[6]Hiroaki Ishikawa, Hiroaki Ito, Hiroyuki Kitahata:
"Collective motion of dimers traveling in the minor-axis direction" (poster)

Japanese-Hungarian Workshop on Nonlinear Dynamics in Colloids and Interface Sciences, Meiji University，Jan. 18, 2024
[7]Yuki Araya:
"Synchronization of oscillatory flows in two coupled Starling resistors" (oral)

2022

Gordon Research Seminar: Oscillations and Dynamic Instabilities in Chemical Systems, Stonehill College, USA July 16-17, 2022
[1]Hiroaki Ishikawa, Yuki Koyano, Hiroyuki Kitahata, and Yutaka Sumino:
"Pairing-induced motion of the camphor disk and metal washer driven by the surface tension gradient" (poster)

Gordon Research Conference: Oscillations and Dynamic Instabilities in Chemical Systems, Stonehill College, USA July 17-22, 2022
[2]Hiroaki Ishikawa, Yuki Koyano, Hiroyuki Kitahata, and Yutaka Sumino:
"Pairing-induced motion of the camphor disk and metal washer driven by the surface tension gradient" (poster)

Poland-Japan symposium on spatio-temporal self-organization 2022，online，Nov. 14-15, 2022
[3]Hiroaki Ishikawa:
"Asymmetric pair motion driven by surface tension gradient and lateral capillary interaction" (Oral)
[4]Sayaka Otani:
"Deformation dynamics of camphor-paraffin droplets during intermittent motion" (Oral)

2021

Biofluid Symposium in Biofluids 2021，online，June 21-24, 2021
[1]Nana Takeda:
"Self-sustained oscillation in a fluid system: Density oscillator" (Short talk)
[2]Yuki Araya:
"Hydrodynamic simulation of oscillatory combustion" (Short Talk)

Dynamics Days Europe 2021，online(hybrid)，August 23-27, 2021
[3]Yudai Okishio, Hiroaki Ito, Hiroyuki Kitahata:
"Local bifurcation structure of a bouncing ball system with a piecewise polynomial function for table displacement" (oral)
[4]Nana Takeda, Hiroaki Ito, Hiroyuki Kitahata:
"Bifurcation analysis of a density oscillator using two-dimensional hydrodynamic simulation" (oral)
[5]Hiroaki Ishikawa, Hiroyuki Kitahata, Yuki Koyano and Yutaka Sumino:
"Motion of the source and insert particles driven by the surface tension gradient and lateral capillary interaction" (oral)
[6]Yuki Araya, Hiroaki Ito, Hiroyuki Kitahata:
"Bifurcation analysis of oscillatory combustion using hydrodynamic simulation" (oral)

Poland-Japan symposium on spatio-temporal self-organization 2021，online，Oct. 6-7, 2021
[7]Motoya Suzaka:
"Pattern formation depending on the particle shape and aspect ratio in active nematics" (oral)
[8]Yudai Okishio:
"Horizontal transport in a bouncing ball system with a sawtooth shaped table" (oral)
[9]Nana Takeda:
"Numerical study of the bifurcation and synchronization in the density oscillator" (oral)
[10]Hiroaki Ishikawa:
"Motion of the source and inert particles driven by the surface tension gradient of the aqueous phase" (oral)
[11]Yuki Araya:
"Bifurcation structure of the flame oscillation using hydrodynamic simulation" (oral)

Dynamics Days 2022，online，Jan. 7-8, 2022
[12]Motoya Suzaka:
"Effect of particle shapes on pattern formation in active nematics" (poster)

2020

Workshop on Physics of Soft, Active and Living Matter，Chiba, Japan，Jan. 7, 2020
[1]Masahide Okada, Hiroaki Ito, Yutaka Sumino, Hiroyuki Kitahata:
"Analysis of spontaneous deformation and fission of an oil droplet on a surfactant aqueous solution" (poster)

2019

International Symposium on Spatio-temporal Patterns of Elements Driven by Self-generated Flows under Geometrical Constraints, Chiba, Japan, Feb. 28, 2019
[1]Masahide Okada:
"Self-split of oil droplets on surfactant aqueous solution" (oral)

2018

International conference on Advances in Physics of Emergent orders in Fluctuations, Tokyo, Japan, Oct. 12-15, 2018
[1]Masahide Okada and Hiroyuki Kitahata:
"Self-split of oil droplets on surfactant solution" (poster)

2017

Dynamics Days US 2017, Silver Spring, USA, Jan. 4-6, 2017
[1]Masahide Okada and Tatsunari Sakurai:
"Size-dependent properties of branching of tadpole-like Physarum plasmodium" (poster)

Spontaneous creation of chemical computing structures based on interfacial interactions, Higashi-Hiroshima, Japan, March 3, 2017
[2]Yuki Koyano, Hiroyuki Kitahata, and A. S. Mikhailov:
"Hydrodynamic collective effect of active proteins" (oral)
[3]Atsushi Saito and Hiroyuki Kitahata:
"Interfacial shape of domain structures in EHD of Liquid Crystal" (oral)

International Symposium on Fluctuation and Structure out of Equilibrium 2017, Sendai, Japan, Nov. 20-23, 2017
[4]Yuki Koyano, Hiroyuki Kitahata, and Alexander S. Mikhailov:
"Diffusion and drift in cytoplasm induced by active proteins" (poster)

2016

Mini-symposium on cooperative phenomena innonequilibrium systems, Chiba, Japan, March 4, 2016
[1]Yuki Koyano and Hiroyuki Kitahata:
"Bifurcation Analysis on Motion of a Self-Propelled Particle Confined in a Two-dimensional Circular Region" (oral)

International Workshop New Frontiers in Nonlinear Sciences, Niseko, Japan, March 6-8, 2016
[2]Yuki Koyano and Hiroyuki Kitahata:
"Motion of a camphor particle in a two-dimensional circular region" (oral)

18th MIMS/CMMA Seminar on Self-Organization, Nakano, Japan, March 17, 2016
[3]Yuki Koyano and Hiroyuki Kitahata:
"Motion of a camphor particle in a two-dimensional circular region" (oral)

Gordon Research Seminar "Oscillations & Dynamic Instabilities in Chemical Systems", Stowe, USA, July 16-17, 2016

[4]Yuki Koyano, Natsuhiko Yoshinaga, and Hiroyuki Kitahata:
"General criteria for determining rotation or oscillation in a two-dimensional axisymmetric system" (Poster)

Gordon Research Conference "Oscillations & Dynamic Instabilities in Chemical Systems", Girona, Spain, July 17-22, 2016
[5]Yuki Koyano, Natsuhiko Yoshinaga, and Hiroyuki Kitahata:
"General criteria for determining rotation or oscillation in a two-dimensional axisymmetric system" (poster)

International Conference Patterns and Waves 2016, Sapporo, Japan, August 1-5, 2016
[6]Yuki Koyano, Natsuhiko Yoshinaga, and Hiroyuki Kitahata:
"Rotational and Oscillatory Motion in a Two-dimensional Axisymmetric Self-propelled System" (poster)

International Workshop Symposium on Nonlinear Sciences ~The History for 30 Years and Vision for The Future~, Tokyo, Japan, Sept. 27, 2016
[7]Yuki Koyano, Yoshinaga Natsuhiko, and Hiroyuki Kitahata:
"General criteria for determining rotation or oscillation in a two-dimensional axisymmetric system" (poster)

Interdisciplinary Applications of Nonlinear Science, Kagoshima, Japan, Nov. 3-6, 2016
[8]Yuki Koyano, Ei Shin-Ichiro, Hiroyuki Kitahata, and Masaharu Nagayama:
"Shape-dependent motion of interacting camphor particles" (poster)

International Workshop on Hydrodynamic Flows in/of Cells, Tokyo, Japan, Nov.24-25, 2016
[9]Yuki Koyano, Hiroyuki Kitahata, and A. S. Mikhailov: "Hydrodynamic collective effect of active proteins depending on orientational order" (poster)

2015

International WE Heraeus Physics School "Model systems for understanding biological processes", Bad Honnef, Germany, Feb. 22 - Feb. 27, 2015
[1]Muneaki Onozato, Hiroyuki Kitahata, Tatusnari Sakurai:
"Tube formation of the slime mold Physarum under periodic light illumination"（Poster）
[2]Moeko Takahashi, Hiroyuki Kitahata, Tatsunari Sakurai:
"Disappearance of propagation wave by periodic external forcing in excitable media"（Poster）

International Sympsium on Fluctuation and Structure Out of Equlibrium 2015, Kyoto Univ., Japan, Aug. 20 - Aug. 30, 2015.
[3]Yuki Koyano, Natsuhiko Yoshinaga, and Kitahata Hiroyuki:
"Rotation and Oscillation of a Self-Propelled particle in a Two-Dimensional Axisymmetric System"（Poster）

XXXV Dynamics Days EU, Exeter Univ., Exeter, UK, Sept. 6 - Sept. 9, 2015.
[4]Yuki Koyano, Natsuhiko Yoshinaga, and Kitahata Hiroyuki:
"Rotation and Oscillation of a Self-Propelled particle in a Two-Dimensional Axisymmetric System" （Oral）

2014

Dynamics Days US 2014 Georgia Tech, Atlanta, USA, Jan 2 - Jan 5, 2014
[1]Yuki Koyano, HIroyuki Kitahata, Tatsunari Sakurai:
Bifurcation Analysis on Self-driven Particle Motion in a 1-D Finite Region（poster）

Achtzehntes Harzseminar "Strukturbildung in Chemie und Biophysik", Hahnenklee, Goslar, Germany, Feb. 16-18, 2014
[2]Yuki Koyano: Bifurcation Analysis on Self-driven Particle Motion in a 1-D Finite Region（oral）

International Workshop on Spatiotemporal Pattern Formation in Biological and Active Matters, Ochanomizu Univ., Japan, Mar 2, 2014
[3]Yuki Koyano, HIroyuki Kitahata, Tatsunari Sakurai: Oscillatory Motion of a Self-driven Particle in a 1-D Finite Region（poster）

Gordon Research Seminar "Oscillations & Dynamic Instabilities in Chemical Systems", Girona, Spain, July 12-13, 2014

[4]Yuki Koyano, Hiroyuki Kitahata, and Tatsunari Sakuari:
"Oscillatory Motion of a Self-driven Particle in a 1-dimensional Finite Region" (Poster)
[5]Tomohiro Sasaki, Hiroyuki Kitahata, and Tatsunari Sakurai:
"Repetitive generation and dissolution of camphor layer at solution surface" (Poster)

Gordon Research Conference "Oscillations & Dynamic Instabilities in Chemical Systems", Girona, Spain, July 13-18, 2014
[6]Yuki Koyano, Hiroyuki Kitahata, and Tatsunari Sakurai:
"Oscillatory Motion of a Self-driven Particle in a 1-dimensional Finite Region" (poster)
[7] Tomohiro Sasaki, Hiroyuki Kitahata, and Tatsunari Sakurai:
"Repetitive generation and dissolution of camphor layer at solution surface" (Poster)

3rd Japanese-German Workshop "Emerging Phenomena in Spatial Patterns" Magdeburg, Germany, Sept. 22, 2014
[8]Yuki Koyano, Hiroyuki Kitahata:
"Bifurcation Analysis on Motion of a Self-Propelled Particle Confined in a Finite Region"（Oral）

2013

The International Symposium on "Self-organization and Emergent Dynamics in Active Soft Matter" Kyoto Univ., Feb 18 - Feb 20, 2013
[1]Masanobu Horie:
"Clustering phenomena in a-few-coupled density oscillators"（Poster）

"International Conference on Mathematical Modeling and Applications" (ICMMA 2013)　Meiji Univ., Nov 26- Nov 28, 2013
[2]Yuki KOYANO, HIroyuki KITAHATA, Tatsunari SAKURAI:
Bifurcation Analysis on Self-driven Particle Motion in a 1-D Finite Region（Poster）

2012

Active Dynamics on Microscales: Molecular Motors and Self-Propelling Particles Lorentz Center, Netherland, Sep 17 - Sep 21, 2012
[1]Tomohiro Nakamura: "Relation between self-propelled motion of individual E.coli and its macroscopic pattern"（Poster）

2011

International Symposium on Complex Systems 2011 Univ. of Tokyo, Dec 1- Dec 3, 2011
[1]Kei Abe: "Electrical potential oscillation induced by salt water oscillation"（Poster）

2008

International Technical Conference on Circuits/Systems, Computers and Communications(ITC-CSCC2008), July 6-9, 2008
[1]Naoko KURATA, Hitoshi MAHARA, Tatsunari SAKURAI, Atsushi NOMURA and Hidetoshi MIIKE:
"Image processing by a coupled non-linear oscillator system"(Oral)

Dynamics Days Asia Pacific 5(DDAP5) Nara-Japan Sep 9 - Sep 12, 2008
[2]Hironori Kawakami: "Propagating swarm ring by Escherichia coli"(Poster)
[3]Naoko Kurata: "Onset of stationary pattern formation in a coupled excitable elements"(Poster)
[4]Kazuki Shioiri: "Carrying a small cargo in Belousov-Zhabotinsky reaction operated by illumination"(Poster)