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128 labs · 5 student voices
Faculties at Tohoku University ›

Kunio Inoe, Professor
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The Research Center for Neutrino Science has been observing the elementary particle called the neutrino with KamLAND, an experimental apparatus located underground in the Kamioka mine in Hida, Gifu Prefecture. At KamLAND, research has been carried out on four topics: reactor neutrinos, neutrinos from inside the Earth, neutrinos from astronomical objects, and neutrinoless double beta decay. KamLAND completed its observations in August 2024, and the detector is now being upgraded for KamLAND2, which will offer improved performance. The lab also works on research and development for the future, including searches for axions and light dark matter.

Atsuko Ichikawa, Professor
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The Experimental Particle Physics (Accelerator) Lab uses accelerator experiments to study elementary particles, the smallest building blocks of matter, and the interactions between them. Particles are accelerated to nearly the speed of light and collided, recreating high-energy conditions like those of the early universe and producing the elementary particles that filled the universe at that time. By studying these particles in detail, the lab aims to unravel the mystery of the birth of the universe and the fundamental laws that govern everything. Research ranges widely, from detector development to physics analysis using big data analysis and machine learning.

Kozo Fujiwara, Professor
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The Crystal Growth Physics Lab studies the process by which crystals form from a liquid in which a material has been melted, with a particular focus on melt growth. Using in situ observation equipment developed in-house, the lab investigates the various phenomena that occur at the boundary between solid and liquid (the solid-liquid interface). Based on insights from fundamental research, the lab works on developing new, practically useful crystal growth technologies, including growth technology for multicrystalline silicon ingots for solar cells. On the lab's website, it is introduced under the name “Fujiwara Lab.”

Taku Sato, Professor
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The Structural Materials Physics Division (Sato Lab) uses quantum beams (X-rays, synchrotron radiation, and neutrons) to study the structural origins of new properties exhibited by various functional materials. Focusing on crystals that exhibit new magnetism, ferroelectricity, superconductivity, and more, the lab has clarified the principles of macroscopic phenomena by observing microscopic structures. Beyond measuring existing materials with existing instruments, the lab also develops measurement techniques and instruments and searches for new materials using ultra-high-pressure synthesis. The lab also belongs to the Spectroscopic Physics Division of the Department of Physics, Graduate School of Science.

Masao Nakamura, Professor
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The Functional Properties of Thin-Film Interfaces Lab fabricates high-quality thin films and heterostructures from oxide and halide materials, and studies the new properties and functions that emerge at thin-film interfaces. The lab grows its thin films by molecular beam epitaxy and pulsed laser deposition. It focuses on quantum properties involving the topology of electronic structure, quantum geometry, and interactions between electrons (electron correlation), with an eye on everything from understanding fundamental physics to future device functions.

Tadashi Abukawa, Professor
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The Surface Structure and Physical Properties Lab studies the surfaces and interfaces of materials using quantum beams such as X-rays, electron beams, neutron beams, and muons. Professor Abukawa studies the structure of surfaces and interfaces while developing reflection high-energy electron diffraction, an electron-beam technique. Associate Professor Yamamoto searches for new materials by ultrahigh-pressure synthesis, and uses synchrotron X-rays and neutron diffraction to investigate the structure and magnetism of strongly correlated electron materials.

Shinichiro Iwai, Professor
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The Ultrafast Spectroscopy Lab uses extremely short light pulses to study and control the behavior of electrons in materials. Its targets are "strongly correlated electron" materials, in which quantum many-body effects play a central role, such as high-temperature superconductors, quantum spin liquids, and strongly correlated Dirac semimetals. Using infrared light pulses about 5 femtoseconds long and interferometers with attosecond precision, the lab measures how the interactions among charge, orbital, and spin change over time. Its goal is to operate next-generation optical functions at petahertz speeds (one quadrillion times per second).

Yoshichika Otani, Professor
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The Otani Lab (Quantum Spin and Orbital Physics Group) studies how charge, spin, orbital angular momentum, magnons, and phonons couple and convert into one another in solids. The lab aims to establish “quantum spintronics,” a research framework that deals with these. Its research rests on three pillars: orbitronics, surface acoustic waves and magnetoacoustics in resonators, and hybrid quasiparticles in artificial magnetic and phononic crystals. The lab’s website also introduces it as the Otani Lab in the Division of Nanoscale Science, Institute for Solid State Physics, The University of Tokyo.

Go Yusa, Professor
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The Quantum Dynamics Lab uses ultra-high-purity semiconductor devices and novel materials to experimentally study physics that arises from quantum mechanics. Its subjects are the physics woven by particles and quasiparticles in samples, such as electrons, holes, excitons, and nuclear spins. The lab aims to realize, on a semiconductor chip, a toy model for testing the “quantum universe” that appears in the earliest stages of cosmic creation, such as the Big Bang. Through collaborations with researchers in Japan and abroad, the lab intends to explore new physics.

Fumihiro Kaneda, Professor
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The Quantum Optics Lab pursues research on photons, the quanta of light, and research on controlling light with artificial structures. The Kaneda Group aims to understand and control the quantum entanglement and quantum fluctuations of photons, and to demonstrate the mechanisms of quantum technologies. The Tomita Group creates spatiotemporally modulated metamaterials using metals, semiconductors, magnetic materials, and other materials, and explores new optical properties. In April 2024, the lab changed its name from the Optical Properties Physics Lab to the Quantum Optics Lab.
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