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Amano Lab
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The lab explores the behavior of plasma throughout space through theory and simulation.
AboutAbout the lab
Understanding space plasma through theory
Amano Lab studies plasma phenomena found throughout the universe, mainly from a theoretical perspective.
Even space that looks empty is in fact filled with tenuous gas, and much of it is thought to exist as plasma, a state in which the gas is electrically charged.
The lab focuses on the elementary processes behind phenomena that occur everywhere from the vicinity of Earth to distant high-energy astrophysical objects.
The lab often uses numerical simulation, and it also carries out theoretical work and analysis of observational data.
Key terms
- Plasma
- A state in which the atoms of a gas are separated into electrons and ions, with electrically charged particles moving about freely. It is strongly influenced by magnetic fields.
- Collisionless shock
- A shock wave that forms through electromagnetic fields in a tenuous plasma where particles hardly ever collide with each other.
- Cosmic rays
- Charged particles flying through space with energies orders of magnitude higher than those of ordinary thermal motion.
ResearchResearch themes
Space physics is a field that aims to elucidate plasma phenomena that exist universally throughout the universe. Within it, the lab focuses on elementary processes, conducting research mainly through numerical simulation, supplemented by theory and analysis of observational data.
*Illustrative imageCollisionless shocks
The lab uses particle simulations to investigate collisionless shocks that form in hot, tenuous plasmas such as supernova remnants. This research contributes to understanding how cosmic rays are accelerated, and the lab is also analyzing observational data from NASA's MMS satellites.
*Illustrative imageRelativistic plasma
The lab studies how magnetic field energy is converted into plasma energy in the plasma flows blowing out from rapidly rotating neutron stars (pulsars), a question known as the sigma problem.
*Illustrative imageDevelopment of simulation methods
The lab studies ways to incorporate new physics into existing models, and ways to simplify models without losing the physics that is needed. It is also building a new model to describe the ring current in Earth's magnetosphere, as observed by the Arase satellite.
MembersFaculty
- ProfessorTakanobu AmanoPublications ↗
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.
- Top image: “Supernova Remnant SN 1006” X-ray: NASA/CXC/Rutgers/G.Cassam-Chenaï, J.Hughes et al.; Radio: NRAO/AUI/NSF/GBT/VLA/Dyer, Maddalena & Cornwell; Optical: Middlebury College/F.Winkler, NOAO/AURA/NSF/CTIO Schmidt & DSS / CC BY 4.0 (cropped)
- Collisionless shocks: “Magnetospheric Multiscale (MMS) ( )” Chris Gunn / Public domain (cropped)
- Relativistic plasma: “Crab Nebula- The Crab in Action & The Case of The Dog That Did Not Bark (2011-crab - crab)” NASA/CXC/MSFC/M.Weisskopf et al / Public domain (cropped)
- Development of simulation methods: “The Ring Current in Earth's Magnetosphere (SVS5643)” NASA's Scientific Visualization Studio - Johns Hopkins University/APL/Slava Merkin, NASA/GSFC/Lutz Rastaetter, The Catholic University of America/Darren De Zeeuw, NASA/GSFC/Alex Glocer, ADNET Systems, Inc./AJ Christensen, eMITS/Lacey Young / Public domain (cropped)
- Related lab (Seki Lab): “Aurora Australis From ISS” ISS Expedition 23 crew / Public domain (cropped)
- Related lab (Imada Lab): “February 16, 2024 X2 5 Solar Flare (SVS14531 - SDO )” NASA's Scientific Visualization Studio - A. J. Christensen, Scott Wiessinger / Public domain (cropped)
- Related lab (Asgari-Targhi Lab): “Traceimage” NASA / Public domain (cropped)
- Related lab (Saito-Shinohara Lab (Space Plasma Division)): “Aurora borealis over Eielson Air Force Base, Alaska” United States Air Force photo by Senior Airman Joshua Strang / Public domain (cropped)
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