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Particle Theory Lab (Yukawa Institute for Theoretical Physics)
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A lab that theoretically explores the unified laws of nature through superstring theory and holography.
AboutAbout the lab
Searching for unified laws of nature beyond the Standard Model
The Particle Theory Group (Yukawa Institute for Theoretical Physics) aims to uncover the smallest building blocks of matter and the laws of nature that govern them.
The Standard Model has problems, such as the difficulty of unifying it with gravity, so the group searches for unified fundamental laws of nature beyond the Standard Model.
A wide range of research is conducted, including superstring theory, the holographic principle, and nonperturbative analysis of quantum field theory.
Key terms
- Superstring theory
- A theory that regards elementary particles not as points but as vibrations of extremely tiny strings
- Holographic principle
- The idea that the degrees of freedom of a gravitational theory reside on the boundary of space rather than in its interior
- Lattice QCD
- A method of dividing spacetime into a lattice and using computers to calculate the behavior of quarks and gluons
ResearchResearch themes
The lab aims to uncover unified fundamental laws of nature beyond the Standard Model. It pursues research on superstring theory, the holographic principle, and nonperturbative aspects of quantum field theory.
*Illustrative imageSuperstring Theory and Quantum Gravity
The lab analyzes superstring theory to deepen understanding of the properties that a quantum theory of gravity must have, and approaches the mystery of the birth of the universe. It also works on a nonperturbative formulation of superstring theory through string field theory, and on clarifying the nonperturbative properties of gauge theories.
*Illustrative imageHolographic Principle and Quantum Information
Using the gauge/gravity correspondence (AdS/CFT correspondence), the lab analyzes black holes and quantum universes from a microscopic viewpoint. It also studies the idea that a gravitational universe emerges from quantum entanglement.
*Illustrative imageQuantum Theory of Spacetime and Tensor Models
The lab regards spacetime as a random collection of fundamental building blocks and investigates the quantum properties of spacetime from its dynamics. Using tensor models, in which tensors are the fundamental variables, it studies whether smooth spacetime and general relativity can be derived.
*Illustrative imageNonperturbative Analysis of Quantum Field Theory
The lab investigates the properties of strongly coupled theories through analysis of quantum field theory based on mathematical structures such as conformal symmetry and supersymmetry, and through numerical calculations such as lattice QCD. It also calculates interactions between hadrons, including nuclear forces.
MembersFaculty
- ProfessorTadashi Takayanagi
- ProfessorYu Nakayama
- ProfessorRyuichiro Kitano
- Associate ProfessorHiroshi Kunitomo
- Associate ProfessorNaoki Sasakura
- Associate ProfessorFumihiro Takayama
- Associate ProfessorEtsuko Ito
- Assistant ProfessorSeiji Terashima
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: “AdSE like hyp” Anton Sel / CC BY-SA 4.0 (cropped)
- Superstring Theory and Quantum Gravity: “Vom Energiefaden (String) zur organisierten Materie” ChristianGoecke / CC BY-SA 3.0 (cropped)
- Holographic Principle and Quantum Information: “Deriving Emergent gravity from microscopic theories” Yormahmad Kholov / CC BY-SA 4.0 (cropped)
- Quantum Theory of Spacetime and Tensor Models: “Bowyer-Watson 0” Nojhan / CC BY-SA 3.0 (cropped)
- Nonperturbative Analysis of Quantum Field Theory: “Feynman Diagramme Muon Anomalie” B. Abi und Kollegen. Sie angegebene Rechte zur Veröffentlichung mit der angegebenen URL / CC BY-SA 4.0 (cropped)
- Related lab (Nuclear Theory Lab (Yukawa Institute for Theoretical Physics)): “Table of nuclides with Halo nucleus” Chang-Bum Moon / CC BY 3.0 (cropped)
- Related lab (Universe Group (Yukawa Institute) Lab): “Subaru Telescope (840A5789-CC)” International Gemini Observatory/NOIRLab/NSF/AURA / CC BY 4.0 (cropped)
- Related lab (Elementary Particle Theory Lab): “String-interaction” Anna.g / CC BY-SA 3.0 (cropped)
- Related lab (Fundamental Theory of Condensed Matter: Quantum Information Lab): “SpheredeBloch” Cf nmr / CC BY-SA 3.0 (cropped)
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