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Emergent Quantum Matter Lab
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The lab experimentally explores new quantum phenomena produced by electrons and spins in solids.
AboutAbout the lab
Exploring new quantum phenomena created by collections of electrons and spins
The Emergent Quantum Matter Lab experimentally studies quantum-mechanical many-body phenomena exhibited by vast numbers of electrons and spins in solids.
The lab is interested in unconventional superconductivity, including high-temperature superconductivity, as well as heavy-fermion states, quantum critical phenomena, quantum spin liquids, and topological phenomena.
The word "emergent" in the lab's name refers to the appearance, in systems where electrons and spins interact strongly, of new properties that cannot be understood from the properties of the constituents alone.
It is a new lab, established in April 2024.
Key terms
- Unconventional superconductivity
- Superconductivity that goes beyond BCS theory. It includes high-temperature superconductors based on cuprates and iron-based compounds
- Quantum spin liquid
- A state of spins in a magnetic material that, because of quantum fluctuations, does not freeze even down to absolute zero and remains in a liquid state
- Quantum critical phenomena
- Phenomena near a quantum critical point, such as strange-metal states, that deviate from the standard theory of metals
NewsLab news
Prof. Kasahara received the 2nd Norio Fujii Prize
A profile article on the lab was published in the School of Science newsletter "Rigakubu Dayori"
Results from thermal transport measurements on high-quality single crystals of Kitaev magnets were published in npj Quantum Materials
The Emergent Quantum Matter Lab was established
ResearchResearch themes
The lab investigates quantum phenomena exhibited by electrons and spins in solids through precise measurements of physical properties under extreme conditions such as ultralow temperatures and strong magnetic fields. It also works on materials development, using artificial superlattices made with thin-film fabrication techniques to create material systems that do not exist in nature.
*Illustrative imageUnconventional Superconductivity
Among superconductors, which show zero resistance, the lab studies unconventional superconductors that go beyond BCS theory. Using precise measurements of physical properties, it determines the symmetry breaking and searches for novel superconducting states such as Cooper pairs with center-of-mass momentum.
*Illustrative imageQuantum Spin Liquids
The lab deals with spin states that, because of quantum fluctuations, do not freeze even down to absolute zero and remain in a liquid state. Aiming to find and understand the exotic quasiparticles said to appear there, it studies the emergence mechanism and detection techniques of Majorana particles in candidate materials for the Kitaev quantum spin liquid.
*Illustrative imageNew Materials from Artificial Superlattices
The lab is attempting to create materials that do not exist in nature, using artificial superlattices made by alternately stacking different materials. It makes full use of atomic-layer thin-film fabrication techniques such as pulsed laser deposition and molecular beam epitaxy.
*Illustrative imageQuantum Critical Phenomena
The lab studies quantum critical points, which are boundaries between different ground states that appear at absolute zero when a parameter such as pressure is varied. Across a variety of materials, it works to clarify the universality of quantum critical phenomena and their relationship with superconductivity.
MembersFaculty
The members of the Emergent Quantum Matter Lab consist of faculty members and PhD, master's, and undergraduate students.As of 2026
- ProfessorYuichi Kasahara
- Assistant ProfessorHinako Murayama
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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: “Two-pronged Approach to Studying High-temperature Superconductivity ( )” National Science Foundation / Public domain (cropped)
- Unconventional Superconductivity: “Magnet 4” Peter Nussbaumer / CC BY-SA 3.0 (cropped)
- Quantum Spin Liquids: “Spin—an aggravated stall and autorotation.” FAA / Public domain (cropped)
- New Materials from Artificial Superlattices: “Molecular-beam epitaxy 412 RIBER system at LAAS-CNRS” QGravelier / CC BY-SA 4.0 (cropped)
- Quantum Critical Phenomena: “Cryostat filled with liquid helium on an optical bench” Alkamid / CC BY-SA 3.0 (cropped)
- Related lab (Condensed Matter Theory Lab): “Researchers advance topological superconductors for quantum computing ( )” Oak Ridge National Laboratory / CC BY 2.0 (cropped)
- Related lab (Condensed Matter Optics Lab): “Section of Nexans superconducting cable - Science Museum, London” The wub / CC BY-SA 4.0 (cropped)
- Related lab (Solid-State Electronic Properties Lab): “Eddy-currents in spinning disc” Silvanus Phillips Thompson / CC0 (cropped)
- Related lab (Magnetic Physics Lab): “Eu2O3.powder” Materialscientist at en.wiki / CC BY-SA 3.0 (cropped)
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