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physics.optics2026
Feedback cooling of a levitated nanoparticle in a radially polarized vector beam trap
Felipe Almeida, M. Rademacher, J. M. H. Gosling +1
We demonstrate optical levitation and feedback cooling of a silica nanoparticle (radius = 78~nm) trapped within a radial vector beam (RVB) in high vacuum. Radial vector beams, when…
hep-ph2026
A Penning trap single-photon counter for axion detection
Jack A. Devlin, Marko L. Wojtkowiak, Shreyak R. Banhatti +6
Discovering the microscopic composition of dark matter is one of the most important open problems in physics today. Axions are a leading candidate to be dark matter; however, a sea…