3 papers
physics.atom-ph2026
Toroidal Transitions in Hydrogenic and Alkali Atoms
Kai Xiang Lee, Vincent Mancois, Kelvin Lim +1
In addition to electric and magnetic multipoles, the expansion of current density also yields toroidal terms, a lesser-known family of multipoles. A recent proposal, I. Kuprov $\te…
physics.atom-ph2025
Super-resolution optical trapping of multiple cold atoms
Kelvin Lim, Vincent Mancois, Haijun Wu +2
Arrays of optical tweezers form the backbone of neutral atoms analog and digital quantum processors. However, the inter-trap distance remains generally much larger than the size of…
cs.RO2025
Imitation Learning with Limited Actions via Diffusion Planners and Deep Koopman Controllers
Jianxin Bi, Kelvin Lim, Kaiqi Chen +2
Recent advances in diffusion-based robot policies have demonstrated significant potential in imitating multi-modal behaviors. However, these approaches typically require large quan…