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 Chengchao Yuan 

 袁成超 


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“即物而穷其理”  

-- 朱熹   


“Wir müssen wissen.    
Wir werden wissen.”  
-- David Hilbert   



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Welcome!

I’m a ULB Postdoctoral Fellow at the Université libre de Bruxelles (ULB). I’m interested in theoretical multi-messenger astrophysics and astroparticle physics. I am also involved in the development and maintenance of the open-source software AM3 (Astrophysical Multi-Messenger Modeling). This software is gradually gaining attention in the community and helping more researchers bring their ideas in multi-messenger modeling to fruition.

I joined ULB on October 1, 2025. Before that I worked at DESY as a postdoctoral researcher from October 2022 to September 2025. In August 2022, I obtained my PhD in Physics at Penn State University. Before that, I received my B.Sc. degree in Astronomy from Nanjing University in China.

My research focuses on the theoretical and numerical multi-messenger astrophysics, including the origins and implications of high-energy photons, cosmic rays, and neutrinos from individual cosmic sources and source populations. In particular, I model the acceleration, transport, and radiation processes of high-energy particles originating from tidal disruption events (TDEs), binary/single compact objects (e.g., GRBs and FRBs), active galactic nuclei (AGNs), and supermassive black hole mergers. I am interested in how the multi-messenger analyses in the time domain enlighten our understanding of the physical nature of high-energy astrophysical phenomena.

News and Highlights

Recent publication on coupling time-dependent proton acceleration with leptonic-hadronic radiation in NGC 1068 and TDE coronae. [Slides]

Recent publication on the UHE KM3NeT neutrino event KM3-230213A: An Accretion Flare Interpretation for the UHE Neutrino Event KM3-230213A

The AM3 software is finally public! Checkout the AM3 website and our recent paper on arXiv:
AM3: An Open-Source Tool for Time-Dependent Lepto-Hadronic Modeling of Astrophysical Sources

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