Mark P. M. Dean

Office 211,

Building 734

Upton, NY 11973

I lead the resonant inelastic x-ray scattering (RIXS) program in the Condensed Matter Physics and Materials Science Department at Brookhaven National Laboratory. My research focuses on quantum materials, including high temperature superconductors, strongly spin-orbit coupled materials, complex oxide heterostructures, non-equilibrium states and topology in crystalline materials.

news

Oct 07, 2026	Mark will give a School of Physics colloquium at Georgia Tech on Monday, October 12, titled “Exploring many-body excitons with resonant inelastic X-ray scattering.”
Sep 21, 2026	Mark and Antoine are attending the Bay Area Light Sources Joint Users’ Meeting at SLAC National Accelerator Laboratory. Mark is giving a talk titled “Ultrafast RIXS as a probe of excitons,” and Antoine is giving a talk titled “Ultrafast excitonic renormalization in a 2D Van der Waals compound.”
Sep 10, 2026	Our paper reporting the observation of multipartite spin entanglement in a cuprate chain has been posted to the arXiv.
Sep 09, 2026	Mark and Xiangpeng will attend IXS2026, the 14th International Conference on Inelastic X-ray Scattering, at Argonne National Laboratory on September 13–18. On Monday, September 14, Mark will chair the 4d & 5d Oxides I session and give a talk on magnetically coupled excitons in van der Waals quantum materials; Xiangpeng will present his work on dark excitons in few-layer CrI₃.
Sep 07, 2026	Our paper on how layer architecture shapes electronic, magnetic, and lattice interactions in Ruddlesden-Popper nickelates has been posted to the arXiv.