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Molecular Science Lab
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A lab that observes crystals of microparticles floating in plasma and explores the physics behind them.
AboutAbout the lab
Observing crystals in plasma to verify them directly.
The Molecular Science Lab studies the physics of Coulomb crystals and Coulomb liquids formed by microparticles in plasma.
When microparticles a few micrometers across are placed in plasma, they become negatively charged and confined, and while floating they form crystals or flow.
Professor Kenji Furuya, who heads the lab, is primarily affiliated with the Faculty of Arts and Science, and supervises graduate students through a concurrent appointment at the Interdisciplinary Graduate School of Engineering Sciences.
Assistant Professor Yoshihiko Mogi of the same lab describes, in his researcher profile, research using theoretical chemistry methods such as molecular orbital theory and density functional theory.
The lab is located at Ito Campus. Students who join take lectures at Chikushi Campus and carry out experiments at Ito Campus.
Key terms
- Coulomb crystal
- A state in which a group of negatively charged microparticles in plasma is arranged in a regular pattern while floating
- Molecular dynamics calculation
- A simulation that follows the motion of each individual particle by computation to reproduce the behavior of the whole group
- Quantum chemical calculation
- A method that uses quantum mechanics to computationally investigate the structures and reaction pathways of molecules
ResearchResearch themes
The collective behavior of the microparticles and the motion of each individual particle are easy to see, which makes them an interesting model system for strongly correlated systems, self-organization, and nonlinear phenomena. The lab improves equipment for observing Coulomb crystals in plasma, carries out observation experiments, and runs simulations using molecular dynamics calculations, while also aiming for applications in materials science.
Coulomb crystals in plasma
The lab visualizes with observation equipment the phenomenon in which a group of microparticles floating in plasma crystallizes or becomes fluid, and studies it together with molecular dynamics calculations.
Ion–molecule reactions studied by experiment and computation
This research closely compares the results of ion–molecule reaction experiments using an ion trap with the results of quantum chemical calculations that exhaustively search reaction pathways, in order to clarify whether the theory is correct and which effects it has not yet included.
MembersFaculty
- ProfessorKenji Furuya
- Assistant ProfessorYoshihiko Mogi
VoicesStudent voices
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