Hannover 2020 – wissenschaftliches Programm

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A: Fachverband Atomphysik

A 21: Ultracold plasmas and Rydberg systems I (joint session Q/A)

A 21.7: Vortrag

Mittwoch, 11. März 2020, 15:30–15:45, f342

Quantum many-body dynamics of driven-dissipative Rydberg polaritons — •Tim Pistorius, Javad Kazemi, and Hendrik Weimer — Institut für theoretische Physik, Leibniz Universität Hannover, Deutschland

We study the propagation of Rydberg polaritons through an atomic medium in a one-dimensional optical lattice. We obtain an effective Hubbard model to describe the dark state polaritons under realistic assumptions. We analyse the driven-dissipative transport of polaritons through the system by considering a coherent drive on one side and by including the spontaneous emission of the metastable Rydberg state. Using a variational approch[1] to solve the many-body problem, we find strong antibunching of the outgoing photons despite the losses from the Rydberg state decay.
[1] H. Weimer, Phys. Rev. Lett. 114, 040402 (2015)