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Nishioka Lab
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A lab that uses quantum field theory and superstring theory to explore the origin of the universe and the nature of spacetime.
AboutAbout the lab
Answering simple questions about the universe with quantum field theory and superstring theory
The Nishioka Lab (Particle Theory Group 3) studies quantum field theory and superstring theory.
It aims to answer simple but fundamental questions: what is the ultimate matter that makes up this universe, and how did the universe begin?
The lab also works on the AdS/CFT correspondence (the holographic principle), black holes and quantum gravity, and general relativity and cosmology.
The lab conducts joint research with the Kanemura Lab and the Ohnogi Lab of the Particle Theory Lab.
Key terms
- Quantum field theory
- A set of laws that merges relativity and quantum mechanics. A theory that unifies particles, waves, and forces
- Superstring theory
- A theory considered to be the ultimate framework of dynamics that unifies everything, but which is not yet complete
- AdS/CFT correspondence
- A conjecture that a field theory and a theory of quantum gravity are equivalent. Also called the holographic principle
ResearchResearch themes
The lab aims to answer simple but fundamental questions: what is the ultimate matter that makes up this universe, and how did the universe begin? To this end, it studies quantum field theory and superstring theory.
*Illustrative imageSuperstring Theory
Superstring theory is a promising theory of quantum gravity. The lab advances understanding by investigating how superstring theory, which is formulated in higher dimensions, relates to the real four-dimensional spacetime, as well as the structure of the compactified extra dimensions and of branes.
*Illustrative imageQuantum Field Theory
The lab investigates the structure of gauge theories such as electromagnetism and quantum chromodynamics, which leads to a better understanding of how elementary particles are described. It also studies cases with supersymmetry or conformal symmetry, and theories in various spacetime dimensions.
*Illustrative imageQuantum Gravity
When quantum theory is taken into account, black holes evaporate, and understanding this quantum behavior also helps in understanding spacetime singularities. Using the gauge/gravity correspondence to treat spacetime itself quantum mechanically, the lab pursues research on the nature of spacetime.
*Illustrative imageGeneral Relativity and Cosmology
General relativity is the theory that describes the dynamics of space and time themselves, and black holes are one of its key subjects of study. The lab also studies higher-dimensional cosmology and quantum cosmology, which combine ideas from cosmology and superstring theory.
MembersFaculty
Members of the Particle Theory Lab (the Kanemura, Ohnogi, and Nishioka groups) consist of faculty, project assistant professors, research fellows, project researchers, doctoral, master's, and undergraduate students, and secretaries.As of 2026
- ProfessorTatsuma Nishioka
- Associate ProfessorSatoshi Yamaguchi
- Assistant ProfessorKanato Goto
- Project Assistant ProfessorJunichi Sakamoto
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: “CMBsphere” Pablo Carlos Budassi / CC BY-SA 4.0 (cropped)
- Superstring Theory: “Calabi-Yau-alternate” The original uploader was Lunch at English Wikipedia. / CC BY-SA 2.5 (cropped)
- Quantum Field Theory: “Qed elementary rules” Pra1998 / Public domain (cropped)
- Quantum Gravity: “Black hole (NASA)” NASA/D. Berry / Public domain (cropped)
- General Relativity and Cosmology: “Black hole - Messier 87” Event Horizon Telescope / CC BY 4.0 (cropped)
- Related lab (Asano Lab): “Wafer with Pentium chips” Naotake Murayama from Los Altos, CA, USA / CC BY 2.0 (cropped)
- Related lab (Kanemura Lab (Particle Theory Group 1)): “CERN LHC CMS 09” SimonWaldherr / CC BY-SA 4.0 (cropped)
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