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Fujibayashi Lab
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A lab exploring the origin of heavy elements through numerical simulation.
AboutAbout the lab
Exploring the origin of heavy elements through simulation
Fujibayashi Lab studies in which astrophysical phenomena some of the heavy elements, such as gold and platinum, were produced.
Using numerical simulations, the lab investigates mergers of neutron star or black hole binaries, and predicts the elements synthesized and the electromagnetic waves emitted in them.
By comparing these predictions with observational data, the lab hopes to clarify the origin of heavy elements and the properties of the merged binaries.
Assistant Professor Sho Fujibayashi belongs to the Division for the Creation of New Research Fields at the Frontier Research Institute for Interdisciplinary Sciences.
Key terms
- Multi-messenger astronomy
- Astronomy that studies astrophysical phenomena by combining multiple types of signals, such as gravitational waves and their electromagnetic counterparts
- Gravitational waves
- Waves emitted when binaries of neutron stars or black holes merge. They are observed with gravitational-wave telescopes
- Numerical simulation
- A method of solving the laws of physics on computers to reproduce the course of an astrophysical phenomenon and predict the elements and light produced
NewsLab news
View More ↗ResearchResearch themes
Right after the universe was born, only light elements existed, and heavy elements such as carbon were produced afterward by some astrophysical phenomena over the history of the universe. This lab investigates mergers of neutron star and black hole binaries through numerical simulation, and explores the origin of heavy elements, also drawing on multi-messenger astronomy, which observes gravitational waves and electromagnetic waves together.
*Illustrative imageThe origin of heavy elements such as gold and platinum
Heavy elements such as the carbon that makes up our bodies were produced by some astrophysical phenomena over the long history of the universe. The astrophysical phenomena that produced some of the heavy elements, such as gold and platinum, have long remained a mystery, and this is one of the important unsolved problems in astrophysics.
*Illustrative imageNumerical simulations of binary mergers and supernovae
The lab predicts the elements synthesized and the electromagnetic waves emitted in mergers of neutron star or black hole binaries, and compares them with observational data to explore the origin of heavy elements. It also runs simulations of supernova explosions of massive stars and the birth of black holes.
MembersFaculty
- Assistant ProfessorSho Fujibayashi
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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: “Vela Supernova Remnant - Noirlab2406a” CTIO/NOIRLab/DOE/NSF/AURA Image Processing: T.A. Rector (University of Alaska Anchorage/NSF’s NOIRLab), M. Zamani & D. de Martin (NSF’s NOIRLab) / CC BY 4.0 (cropped)
- The origin of heavy elements such as gold and platinum: “Gold nugget (Australia) )” James St. John / CC BY 2.0 (cropped)
- Numerical simulations of binary mergers and supernovae: “Crab Nebula” NASA, ESA, J. Hester and A. Loll (Arizona State University) / Public domain (cropped)
- Related lab (Tanaka Lab): “Vela supernova - VST - Eso2214a” (Credit) ESO/TIMER survey / CC BY 4.0 (cropped)
- Related lab (Kimura Lab): “Anatomy of an Active Galactic Nucleus (SVS14922 - Jet illustrated Loop v01 00001 print)” NASA's Scientific Visualization Studio - NASA’s Goddard Space Flight Center’s Conceptual Image Lab / Public domain (cropped)
- Related lab (Toma Lab): “Artist’s illustration of galaxy with jets from a supermassive black hole” ESA/Hubble, L. Calçada (ESO) / CC BY 4.0 (cropped)
- Related lab (Yoshida Lab): “The Star with a Secret Identity” X-ray: NASA/CXC/Huntingdon Inst. for X-ray Astronomy/G.Garmire, Optical: ESO/VLT / Public domain (cropped)
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