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Single Electrons in a Dual-Plane Printed-Circuit-Board Penning Trap
Zirui Fang, Benedict A. D. Sukra, Xing Fan·June 26, 2026
Quantum PhysicsAtomic Physics
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Abstract
We demonstrate single-electron trapping and detection in a two-dimensionally scalable dual-plane printed-circuit-board Penning trap. We characterize deterministic electron loading, axial damping, axial temperature, and collision-induced magnetron-radius growth at low magnetic fields. These results establish a practical platform for planar Penning traps and identify key next steps toward applications in quantum information science.