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Mochizuki Lab
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A lab that uses theory to uncover the unusual properties of magnetic materials and superconductors.
AboutAbout the lab
Condensed matter physics shaped by the interplay of multiple degrees of freedom
The Mochizuki Lab theoretically studies the physical phenomena exhibited by a wide range of materials, including magnets, ferroelectrics, metals, and superconductors.
The lab focuses on the entanglement of spin, charge, orbital, and lattice degrees of freedom, which arises from strong interactions between electrons.
Using models based on quantum mechanics, the lab analyzes phase transitions and nonequilibrium phenomena that occur as these degrees of freedom compete and cooperate with one another.
In collaboration with experimental labs, the lab aims to understand, predict, and control the properties of materials.
Key terms
- Strongly correlated electron systems
- A group of materials in which strong interactions between electrons give rise to special and diverse properties
- Magnon
- A quasiparticle description of the phenomenon in which the orientation of electrons' spins propagates through a material like a wave
- Superconductor
- A material that shows special properties, such as zero electrical resistance below a certain temperature
NewsLab news
Controlling magnetic skyrmions with optical skyrmions
Discovery of asymmetric diffusion of magnetic skyrmions
Discovery of a new mathematical model for slime mold computers
Demonstration of the thermal robustness of topological magnons
Discovery of fluid-like behavior and logic gate functions of skyrmions
ResearchResearch themes
The lab studies the physical phenomena exhibited by a wide range of materials, including magnets, ferroelectrics, metals, and superconductors, using the theory of strongly correlated electron systems. Using mathematical methods, it explains phenomena that arise from the entanglement of multiple degrees of freedom of electrons, such as spin, charge, orbital, and lattice.
*Illustrative imageQuantum fluctuations of orbitals
The lab focuses on the quantum fluctuations of the orbital degree of freedom, and theoretically studies the new quantum states and unusual physical properties and phenomena that arise from them.
*Illustrative imageNonequilibrium dynamics and nonlinear response
The lab theoretically investigates nonequilibrium and nonlinear phenomena in materials, such as the abrupt changes that occur when light is applied and the mechanisms by which unusual structures like magnetic vortices (skyrmions) move.
*Illustrative imageLight-induced magnon excitation
The lab theoretically explores new phenomena that occur when spin waves (magnons) are strongly excited by shining light on multiferroic materials.
*Illustrative imageExtension to other materials and phenomena
The lab also studies how multiple degrees of freedom are involved in materials and phenomena that have been little explored so far, such as organic compounds, biological proteins, and ultracold atomic gases.
MembersFaculty
The members of the Mochizuki Lab consist of faculty, researchers, a secretary, and doctoral, master's, and undergraduate students.As of 2026
- ProfessorMasahito Mochizuki
- Associate ProfessorTomoya Ominato
- LecturerLee Mookun
- LecturerKeisuke Kitayama
VoicesStudent voices
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Mizokawa LabSchool of Advanced Science and Engineering, Department of Applied PhysicsSolid-state physics, synchrotron radiation spectroscopyThe information on this page is compiled by the LabLog team from the lab's public information and interviews. For corrections or removal requests, please contact LabLog, not the lab.
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: “Феррожидкость в магнитном поле” Gribkov / CC BY 4.0 (cropped)
- Quantum fluctuations of orbitals: “Rolling Around A Spinning Top 1” Bavand Keshavarz / CC BY-SA 4.0 (cropped)
- Nonequilibrium dynamics and nonlinear response: “Lichtenberg Fractal Figure 03” Timothee Rolland / CC BY-SA 4.0 (cropped)
- Light-induced magnon excitation: “Ripples and sunlight pattern in Brofjorden” W.carter / CC BY-SA 4.0 (cropped)
- Extension to other materials and phenomena: “Nurse log with moss” Lumpytrout / CC BY-SA 4.0 (cropped)
- Related lab (原山研究室): “Neighborhood of attractor of discretized Lorenz system. XYZ(9) plane” German A. Chernykh & Irina A. Chernykh / CC BY-SA 4.0 (cropped)
- Related lab (小澤研究室): “World First Hiperboloid structure named Shukhov Tower in Polibino” Arssenev / CC BY-SA 4.0 (cropped)
- Related lab (多辺研究室): “Texture in a polarizing microscope of a B7 bent-core phase of a liquid crystal” Ingo Dierking / CC BY-SA 4.0 (cropped)
- Related lab (溝川研究室): “ESRF img 0853” Rama / CC BY-SA 2.0 fr (cropped)
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