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Quantum Dynamics Lab
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A physics lab that explores the quantum universe through experiments on quantum many-body systems.
AboutAbout the lab
Exploring the quantum universe through experimental research on quantum many-body systems
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.
Key terms
- Quantum universe
- A Planck-scale universe that appears in the earliest stages of cosmic creation, such as the Big Bang
- Quasiparticle
- The collective motion of many particles that behaves like a single particle
- Fractional quantum Hall edge
- The part along the edge of a sample in the fractional quantum Hall state, which appears in a thin electron layer at extremely low temperatures and strong magnetic fields
NewsLab news
Research published on switching the direction of a persistent spin helix
Collaborative research visualizes spatial propagation at the edge and in the interior of a topological material
Research published on spin diffusion in GaAs quantum wells
ResearchResearch themes
Building on the crystal growth and device technologies that support the semiconductor industry, the lab uses ultra-high-purity semiconductor devices and novel materials to investigate the physics that particles and quasiparticles produce through quantum mechanics. Believing this is significant not only for condensed matter physics but also for fundamental physics, the lab seeks to explore new physics through collaborations with researchers in Japan and abroad.
*Illustrative imageA Toy Model for Testing the Quantum Universe
Toward testing the “quantum universe,” a Planck-scale universe that appears in the earliest stages of cosmic creation such as the Big Bang, the lab aims to realize a toy model of it on a semiconductor chip.
*Illustrative imageObserving the Dynamics of Fractional Quantum Hall Edges
Using a pump-probe stroboscopic confocal microscope, the lab observes the dynamics of fractional quantum Hall edges on a timescale of about 1 picosecond.
MembersFaculty
The Quantum Dynamics Lab’s members consist of faculty, technical staff, and doctoral, master’s, and undergraduate students.
- ProfessorGo Yusa
- Assistant ProfessorKatsushi Hashimoto
- Assistant ProfessorNicholas Moore
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: “LSST Cryostat to Camera Body Lift (slac-lsst-cryostat-to-camera-body-lift-129 5)” Jacqueline Ramseyer Orrell/SLAC National Accelerator Laboratory / CC BY 4.0 (cropped)
- A Toy Model for Testing the Quantum Universe: “WMAP 2012” NASA / WMAP Science Team / Public domain (cropped)
- Observing the Dynamics of Fractional Quantum Hall Edges: “Confocal Raman imaging microscope Witec alpha300” Sonjajnos / CC BY-SA 4.0 (cropped)
- Related lab (Crystal Growth Physics Lab): “Crystal in VCGS furnace” Marshall Space Flight Center (NASA) / Public domain (cropped)
- Related lab (Molecular Materials Physics Lab): “Stable Levitation of a magnet on a superconductor” Julien Bobroff (user:Jubobroff), Frederic Bouquet (user:Fbouquet), LPS, Orsay, France / CC BY-SA 3.0 (cropped)
- Related lab (Quantum Functional Measurement Lab): “CETB Instrument and Measurement Laboratory 1” Teupdeg / CC BY-SA 4.0 (cropped)
- Related lab (IMR Theoretical Physics Lab): “Na8Si46 inorganic clathrate structure with coordination polyhedra” PickledSquid / CC BY-SA 4.0 (cropped)
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