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55 labs · 47 student voices
Other departments in Faculty of Science ›Faculties at The University of Tokyo ›

Yasuhiro Sakemi, Professor
Space, Particle Physics & Aerospace1 student voices
The Fundamental Symmetry Lab investigates the mystery of why the amounts of matter and antimatter are unbalanced, through experiments. It captures francium atoms, produced artificially in an accelerator, by laser cooling, and searches for the electron's permanent electric dipole moment. Because francium produces a strong electric field inside the atom, it acts as a microscope that magnifies the effect of symmetry breaking. The lab aims to approach the origin of the matter-dominated universe and the identity of dark matter through the breaking of fundamental symmetries.

Takashi Sako, Professor
Space, Particle Physics & Aerospace1 student voices
The High Energy Cosmic Ray Division (Sako Lab) investigates the origin of the high-energy cosmic rays that rain down from space. Through the Telescope Array experiment and the ALPACA experiment, the lab observes "air showers," a phenomenon that cosmic rays produce in the atmosphere. To study the ultra-high-energy elementary particle reactions that these observations require, the lab also conducts experiments using the LHC and RHIC accelerators. The research is carried out in collaboration with Professor Ogio and Associate Professor Kawata of the Institute for Cosmic Ray Research, and the lab also conducts joint research with other universities.

Hidetoshi Kubo, Professor
Space, Particle Physics & Aerospace1 student voices
The lab observes the universe in the highest-energy band of the electromagnetic spectrum. Gamma rays arrive from violent astronomical objects such as supernova remnants, supermassive black holes, and gamma-ray bursts. Using ground-based imaging atmospheric Cherenkov telescopes, the lab detects the Cherenkov light produced when gamma rays enter the atmosphere. The lab takes part in international projects for CTAO, the next-generation gamma-ray observatory, and for the currently operating MAGIC telescopes.

Akinao Nose, Professor
Bio & Life Sciences0 student voices
The Nose Lab studies what kinds of circuits the brain and nervous system use to process information. The brain and nervous system form a complex circuit in which large numbers of neurons are connected through synapses. Using the relatively simple nervous system of the Drosophila larva, the lab investigates both the wiring between neurons and their patterns of activity. The goal is to understand the brain by identifying the basic circuits that serve as its functional units and modeling them.

Akira Ejiri, Professor
Energy & Batteries0 student voices
The Ejiri-Tsujii Lab studies the physics of high-temperature plasmas to realize fusion energy. The lab conducts experiments using a spherical tokamak device called TST-2, located at the Kashiwa Campus. Its work includes plasma heating and current drive using waves, turbulence and instabilities, and the development of plasma diagnostics. The lab aims to realize a compact spherical tokamak reactor that anyone can use anywhere.

Kazumasa A Takeuchi, Associate Professor
Bio & Life Sciences0 student voices
The Takeuchi Lab conducts experiments to reveal the laws of statistical physics that arise from nonequilibrium phenomena. It uses soft matter such as liquid crystals, granular materials, and colloids, as well as living organisms such as bacteria, as experimental materials. The aim is not only to understand individual phenomena but also to extract physical laws that are common to them, independent of the specific phenomenon. The lab's research spans nonequilibrium critical phenomena, active matter, and populations of microorganisms, and lab visits are welcome.

Masahito Ueda, Professor
Quantum & Condensed Matter0 student voices
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.

Jun'Ichi Yokoyama, Professor
Space, Particle Physics & Aerospace0 student voices
The Yokoyama Lab carries out theoretical research in cosmology, focusing on the early universe, the period right after the universe began. It mainly deals with particle-physics and relativistic cosmology, and with how the structure of the universe has evolved. The lab draws on both fundamental theories such as quantum field theory and general relativity, and observational data such as the cosmic microwave background. It also conducts fundamental research in related areas, such as gravitational theory and non-equilibrium quantum field theory, as needed.

Tohru Okamoto, Associate Professor
Quantum & Condensed Matter0 student voices
The Okamoto Lab studies the quantum properties of two-dimensional electron systems formed at semiconductor interfaces and surfaces. In addition to the integer and fractional quantum Hall effects, the lab also investigates electronic states near the metal–insulator transition, where electron–electron repulsion and spin play an important role. In recent years, the lab has worked on two-dimensional systems created on the surfaces of semiconductors cleaved in ultrahigh vacuum, and has observed the quantum Hall effect at a surface and superconductivity in monatomic-layer metal films. Graduate students are at the forefront of the lab's research, and starting new research based on fresh ideas is encouraged.

Yuto Ashida, Associate Professor
Quantum & Condensed Matter0 student voices
The Ashida Lab conducts theoretical research on the boundary between quantum many-body physics and quantum information and quantum optics. Its main focus is the phenomena that arise when quantum systems made up of many particles are observed or controlled at the microscopic level. The lab also has broad interests in the corresponding phenomena in classical systems, as well as in machine learning. The lab uses ideas from field theory, the renormalization group, and quantum information, among others, without being tied to any one method, in order to understand physics.
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