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5 papers · 2 filters
Conical intersections in an ultracold gas
S. Wüster, A. Eisfeld, J. M. Rost
We find that energy surfaces of more than two atoms or molecules interacting via dipole-dipole po- tentials generically possess conical intersections (CIs). Typically only few atom…
Excitation transport through Rydberg dressing
S. Wüster, C. Ates, A. Eisfeld +1
We show how to create long range interactions between alkali-atoms in different hyper-fine ground states, allowing coherent electronic quantum state migration. The scheme uses off…
p-Wave Optical Feshbach Resonances in Yb-171
Krittika Goyal, Iris Reichenbach, Ivan Deutsch
We study the use of an optical Feshbach resonance to modify the p-wave interaction between ultracold polarized Yb-171 spin-1/2 fermions. A laser exciting two colliding atoms to the…
Newton's cradle and entanglement transport in a flexible Rydberg chain
S. Wüster, C. Ates, A. Eisfeld +1
In a regular, flexible chain of Rydberg atoms, a single electronic excitation localizes on two atoms that are in closer mutual proximity than all others. We show how the interplay…
Three-dimensional Roton-Excitations and Supersolid formation in Rydberg-excited Bose-Einstein Condensates
N. Henkel, R. Nath, T. Pohl
We study the behavior of a Bose-Einstein condensate in which atoms are weakly coupled to a highly excited Rydberg state. Since the latter have very strong van der Waals interaction…