2025-07-03 Press Release

A research group, including Shigehiro Nagataki (Chief Scientist, Astrophysical Big Bang Laboratory, RIKEN PRI / Deputy Director, iTHEMS) and Shunji Matsuura (Senior Research Scientist, iTHEMS), has successfully detected 113 anomalous energy (X-ray) emission events. This was achieved by constructing and applying a quantum machine learning model that integrates quantum computing with machine learning to a large-scale dataset of X-ray variability in space accumulated over approximately 24 years by the X-ray astronomical satellite XMM-Newton, operated by the European Space Agency (ESA).

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Reference

  1. Taiki Kawamuro, Shinya Yamada, Shigehiro Nagataki, Shunji Matsuura, Yusuke Sakai, and Satoshi Yamada, Quantum Machine Learning for Identifying Transient Events in X-Ray Light Curves, ApJ 987 105 (2025), doi: 10.3847/1538-4357/adda43

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