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QI: Fachverband Quanteninformation

QI 6: Poster I (joint session QI/Q)

QI 6.40: Poster

Montag, 6. März 2023, 16:30–19:00, Empore Lichthof

High-order series expansions and crystalline structures for Rydberg atom arrays — •Duft Antonia, Jan Koziol, Matthias Mühlhauser, Patrick Adelhardt, and Kai Phillip Schmidt — Friedrich-Alexander-Universität Erlangen-Nürnberg

We investigate a model of hardcore bosons on the links of a Kagome lattice subject to a long-range decaying van-der-Waals interaction. This model is known to be the relevant microscopic description of Rydberg atom arrays excited by a detuned laser field which has been realized in experiments recently. Particular interest lies on this system as it is an engineerable quantum platform which has been predicted to to host a topological phase. We investigate the quantum phase diagram for different limiting cases with a main focus on the low interaction-strength limit where we apply high-order linked cluster expansions.