@Report on the presentation at the Gordon research
conference on gOscillation and dynamic instability in chemical systemsh
and a visit to a research group in MIT.
Bates Collage, Lewiston, Maine & Massachusetts Institute of Technology
(MIT), Cambridge, Massachusetts, USA
Outline of the trip
i) Purpose of the trip
I made a trip to present a poster at the conference on chemical oscillation
and discuss with many researchers who were in the forefront of this field.
I also visited to a research group in MIT studying time-resolved spectroscopy
to discuss how we investigate the dynamic instability in chemical oscillations
in combination with laser spectroscopic techniques.
The Gordon research conference on gOscillation and dynamic instability in chemical
systemsh was held during July 18-23 in Bates collage, located at the northeast
end of the USA. This conference addressed Nonlinear Chemical Dynamics,
which included the study of oscillations, waves, patterns and chaos in
chemically-reacting systems far from equilibrium, with experiments, theory
and simulations. About one hundred participants from all parts of the worlds
presented exciting studies and discussed animatedly with each other. I
presented a poster about a coupled oscillator in Belousov-Zhabotinsky (BZ)
reaction, one of the typical chemical oscillation.
Recently, chemical oscillation has been applied to many systems, such as polymeric
gels for micro/nano machine, computing with chemical waves,@stripe pattern
formation on the animal skin, coupling of two or many oscillators and so on.
Especially, polymer gels in chemical oscillation have been extensively studied
for industrial application in the future. Therefore, there were many reports
about gel systems at the conference. On the other hands, several participants
in the conference also studied coupled oscillators in chemical systems, which
had a close relation to my experiments. I. Z. Kiss and Y. Zhai reported about
synchronization and cooperative action of coherent groups in globally coupled
electrochemical oscillators. H. Fukuda has arranged BZ beads-oscillators in
2D lattice and observed synchronization enhanced under optimal noise, which
impressed me above all presentations. Many people paid attention to my poster
presentation. Although I felt the difficulty of speaking in English, it seemed
that they understood what I said. We discussed and exchanged ideas with each
other. I was glad to present a poster at the conference, in which many famous
researchers participated and moreover, appreciated my results. That was why
I felt encouraged.
After the conference, I visited he Nelson group in MIT and presented my experimental
results. They studied dynamic properties in complex materials, such as glass,
with time-resolved spectroscopic techniques which could also be used for chemical
systems. Unfortunately most of the members were in Japan to attend the conference
on Ultrafast phenomena at Niigata. However, we discussed productively for methods
in measuring complex systems with laser techniques.
iii) Benefit from the trip
The trip to USA was valuable experience for me, especially from the following
(i) I learned recent trends in coupled oscillation through the talk with several
researchers involved in the fields.
(ii) In MIT, I was suggested that interferometer imaging may practical in measuring
dynamic instability in chemical systems.
iv) Prospective and future plans
I will continue to investigate dynamic instability in chemical oscillation
as the suggestion of the MIT group.
Finally, I express my gratitude to the COE financial
support for the trip.