Erlangen 2018 – wissenschaftliches Programm
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A: Fachverband Atomphysik
A 1: Cold atoms I - Rydbergs (joint session A/Q)
A 1.1: Vortrag
Montag, 5. März 2018, 10:30–10:45, K 0.011
Probing many-body dynamics on a 51-atom quantum simulator — •Ahmed Omran1, Hannes Bernien1, Alexander Keesling1, Harry Levine1, Sylvain Schwartz1,2, Hannes Pichler3,1, Soonwon Choi1, Markus Greiner1, Vladan Vuletic2, and Mikhail D. Lukin1 — 1Department of Physics, Harvard University, Cambridge, MA 02138, USA — 2Department of Physics and Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA — 3Institute for Theoretical Atomic Molecular and Optical Physics, Harvard-Smithsonian Center for Astrophysics, Cambridge, MA 02138, USA
The realization and control of large-scale quantum systems is an exciting frontier of modern physical science. Using a novel cold atom platform, we trap single neutral atoms in an array of optical tweezers, and use real-time feedback to prepare defect-free chains of tens of atoms in one dimension with a high fidelity and repetition rate [1]. Excitation of the atoms to Rydberg states enables strong and tunable van der Waals interactions over long distances, which allows for engineering an Ising-type Hamiltonian with non-trivial spatial correlations between Rydberg atoms.
The flexibility and controllability of our platform enables us to perform powerful simulations of quantum many-body systems in and out of equilibrium and shed light on the quantum dynamics around different phase transitions and following sudden quantum quenches [2].
[1] M. Endres et al., Science 354, 1024-1027 (2016)
[2] H. Bernien et al., Nature 551, 579-584 (2017)