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Seminar of Center for Computational Physics:

TitleMonopole Scattering in the Synthetic Momentum Space of a Bilayer Photonic Crystal Slab
SpeakerDr. Le Ngoc Duc
AffiliationInstitute of Physics, Vietnam Academy of Science and Technology
DateTuesday, 19-08-2025
Time10:00 AM
LocationRoom 312A, 10 Dao Tan, Ba Dinh, Ha Noi
AbstractBerry monopoles-quantized sources of Berry curvature-are fundamental to topological phases, yet their scattering remains unexplored. Here, we report for the first time the adiabatic scattering of Berry monopoles in a bilayer photonic crystal slab combining one genuine and one synthetic momentum. Two monopoles approach, collide, and scatter within this hybrid parameter space. The process is described by an effective coupled-mode model and confirmed by full-wave simulations. We further propose an experimental scheme using chiral edge states, opening a route to probe monopole interactions in synthetic photonic systems.
Host personTrịnh Xuân Hoàng