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Sean Tulin is an Associate Professor in the Department of Physics and Astronomy at York University, holding a Canada Research Chair, Tier 2. He specializes in theoretical particle physics, focusing on dark matter and cosmological puzzles. Tulin is eligible to supervise graduate students in the Physics and Astronomy program and has advised multiple MSc and PhD students. His research combines astrophysical observations with particle physics models, particularly using galaxy structures to study dark matter properties, and involves lattice simulations for strongly-interacting dark sectors. He has extensive postdoctoral experience, including at TRIUMF and Michigan University. Tulin teaches advanced courses such as Electricity and Magnetism and Quantum Field Theory, and is affiliated with the Petrie Science & Engineering Building on York’s Keele Campus. He collaborates globally on projects like the REDTOP experiment and the SHiP physics case, investigating hidden particles at CERN.
Education and career highlights include a junior faculty position at York (2014–present), postdoctoral roles at Michigan University’s MCTP (2011–2014) and TRIUMF (2009–2011). His work bridges particle physics with astrophysical phenomena, addressing dark matter’s microscopic behavior through macroscopic galactic observations. Key research themes are dark matter self-interactions, baryon/antimatter asymmetry, and hidden sector physics. Tulin has contributed to influential reviews and community reports, including the Dark Sectors 2016 Workshop and the SHiP Physics Case.
- Awards: Canada Research Chair, Tier 2
- Research Interests: Dark matter dynamics, weak scale physics, baryogenesis, and hidden particles.
- Teaching: Courses include Electricity and Magnetism, Methods in Theoretical Physics, and Particle Physics.
- Publications: Over 45 papers, with high-impact works on dark matter self-interactions (e.g., 1,084 citations) and collider probes (e.g., 550 citations).
His group includes postdoctoral researchers like Brian Colquhoun and Laura Sagunski, and students such as Yilber Fabian Bautista. Tulin’s outreach activities include public lectures on dark matter and particle physics at libraries and events across Toronto and Ann Arbor.
