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quant-ph2020★ 4 cited
Strong zero-field Förster resonances in K-Rb Rydberg systems
J. Susanne Otto, Niels Kjærgaard, Amita B. Deb
We study resonant dipole-dipole coupling and the associated van der Waals energy shifts in Rydberg excited atomic rubidium and potassium and investigate Förster resonances between…
cond-mat.quant-gas2020★ 5 cited
Dispersive detection of atomic ensembles in the presence of strong lensing
A. B. Deb, J. Chung, N. Kjærgaard
We experimentally and theoretically investigate in-medium propagation effects of off-resonant light in dense, spatially homogeneous ultacold atomic gases. Focussing on frequency mo…