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Ueda Lab
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A theory lab that explores universal laws of physics through ultracold atomic gases and quantum information.
AboutAbout the lab
Exploring universal laws with cold atoms and quantum information.
The Ueda Lab conducts theoretical physics research on ultracold atomic gases, quantum information, and quantum measurement.
Atomic gases cooled to extremely low temperatures by methods such as laser cooling are artificial quantum matter in which even the strength of the interactions between atoms can be freely tuned.
Using them, the lab explores universal laws common to a wide range of physical phenomena, such as Bose-Einstein condensation and superfluidity.
The lab also works on information thermodynamics, which asks about the limits of the information and work that can be extracted from quantum systems.
Key terms
- Bose-Einstein condensation
- A phenomenon in which, at extremely low temperatures, many particles gather in the same single quantum state and the whole behaves like a single wave.
- Superfluidity
- A phenomenon in which an ultracold liquid or gas continues to flow without friction (viscosity).
- Information thermodynamics
- A field that links information and thermodynamics to study, for example, the limits of the work that can be extracted through measurement and control.
NewsLab news
View More ↗ResearchResearch themes
The lab conducts theoretical research on two themes: cold atomic gases, and quantum information, measurement, and information thermodynamics. Through freely controllable artificial quantum matter and the measurement of quantum systems, it explores universal laws common to many fields.
*Illustrative imageTheory of Cold Atomic Gases
The lab theoretically studies Bose-Einstein condensation and Fermi superfluidity in atomic gases cooled to extremely low temperatures. In crystals made of light (optical lattices), it is possible to study strongly interacting systems like those behind high-temperature superconductivity, and the lab also simulates phenomena resembling phase transitions in the early universe.
*Illustrative imageQuantum Information, Measurement, and Information Thermodynamics
The lab studies the theoretical limits of the information and work that can be extracted from quantum systems, and what thermodynamic constraints apply to them. Its work includes the analysis of quantum measurement, including measurement backaction, and information thermodynamics, which combines quantum information and thermodynamics.
MembersFaculty
The members of the Ueda Lab are faculty, project researchers, postdoctoral researchers, doctoral and master's students, and a secretary.As of 2025
- ProfessorMasahito UedaPublications ↗
- Assistant ProfessorMasaya NakagawaPublications ↗
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: “JILA's strontium optical atomic clock” Sebastian Blatt, JILA, University of Colorado / Public domain (cropped)
- Theory of Cold Atomic Gases: “Cold atoms experiment 04” Tomasz Kawalec / CC BY-SA 4.0 (cropped)
- Quantum Information, Measurement, and Information Thermodynamics: “Superconducting Metamaterial Chip 005” OJB Quantum / CC BY 4.0 (cropped)
- Related lab (Quantum Information Lab): “Quantum Computer with Dark Background 001” OJB Quantum / CC BY 4.0 (cropped)
- Related lab (Ashida Lab): “Superconducting Metamaterial Chip 002” OJB Quantum / CC BY 4.0 (cropped)
- Related lab (Katsura Lab): “Icosahedrite Diffraction Pattern” Paul Steinhardt / CC BY-SA 4.0 (cropped)
- Related lab (Tsuji Lab): “Cloud of ultracold atoms levitated in a magneto-optical trap” Balping / CC BY-SA 4.0 (cropped)
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