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Katsura Lab
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The lab uncovers the diverse phases that emerge in quantum many-body systems through theory and mathematical approaches.
AboutAbout the lab
Uncovering strongly correlated quantum many-body systems through theory.
The Katsura Lab conducts theoretical research spanning condensed matter physics, statistical mechanics, and mathematical physics.
The lab aims to understand the diverse phases that emerge in strongly correlated quantum many-body systems and to predict novel phenomena.
In addition to studying ground states and low-energy excitations, the lab also puts strong emphasis on the nonequilibrium dynamics of open and isolated quantum systems.
The lab is also investigating the algebraic structures underlying solvable models in classical and quantum statistical mechanics.
Key terms
- Quantum many-body system
- A system in which many particles obey quantum mechanics while strongly influencing one another
- Nonequilibrium dynamics
- How a system changes over time starting from a state that is not in equilibrium
- Solvable model
- A physical model whose exact solution can be written down without relying on approximations
NewsLab news
View More ↗ResearchResearch themes
The lab conducts theoretical research aimed at understanding the diverse phases that emerge in strongly correlated quantum many-body systems and predicting new phenomena. It covers a wide range of topics spanning condensed matter physics, statistical mechanics, and mathematical physics.
*Illustrative imagePhases and Novel Phenomena in Quantum Many-Body Systems
The lab aims to understand the diverse phases that emerge in strongly correlated quantum many-body systems and to predict novel phenomena. It pursues theoretical studies of ground states and low-energy excitations, which have long been the subject of discussion.
*Illustrative imageNonequilibrium Dynamics
In addition to studying ground states and low-energy excitations, the lab also puts strong emphasis on research into the nonequilibrium dynamics of open and isolated quantum systems.
*Illustrative imageMathematical Physics of Solvable Models
The lab pursues mathematical-physics research on solvable models in classical and quantum statistical mechanics, focusing in particular on the algebraic structures underlying them.
MembersFaculty
The members of the Katsura Lab consist of faculty members and students in the doctoral and master's programs.As of 2026
- Associate ProfessorHosho KatsuraPublications ↗
- Assistant ProfessorHironobu YoshidaPublications ↗
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Icosahedrite Diffraction Pattern” Paul Steinhardt / CC BY-SA 4.0 (cropped)
- Phases and Novel Phenomena in Quantum Many-Body Systems: “Ferromagnetic domains in spiral pattern for Fe60Al40” Magnunor / CC BY-SA 4.0 (cropped)
- Nonequilibrium Dynamics: “Chaos Theory & Double Pendulum - 3” Cristian V. / CC BY-SA 4.0 (cropped)
- Mathematical Physics of Solvable Models: “Penrose tiling at Oxford Mathematical Institute” Pierre Marshall / CC0 (cropped)
- Related lab (Nakatsuji-Sakai Lab): “FZU AV CR Silicon Single Crystal C” Mojmir Churavy / CC BY-SA 4.0 (cropped)
- Related lab (Tsuneyuki Lab): “C60 isosurface” Itamblyn / CC BY-SA 4.0 (cropped)
- Related lab (Kobayashi Lab): “Irradiated spot of diamond with high concentration of nitrogen-vacancy centers” Lillian B. Hughes ほか
/ CC BY 4.0 (cropped) - Related lab (Hayashi Lab): “Optical elements and green laser beem” Dasha Butova / CC BY-SA 4.0 (cropped)
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