Erlangen 2022 – scientific programme
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A: Fachverband Atomphysik
A 33: Rydberg Systems (joint session Q/A)
A 33.3: Talk
Friday, March 18, 2022, 11:00–11:15, Q-H14
Hamiltonian Engineering of a many-body Rydberg-spin system — •Sebastian Geier1, Nithiwadee Thaicharoen1,2, Clément Hainaut1,3, Titus Franz1, Andre Salzinger1, Annika Tebben1, David Grimshandl1, Gerhard Zürn1, Matthias Weidemüller1, Pascal Scholl4, Hannah J. Williams4, Guillaume Bornet4, Loic Henriet5, Adrien Signoles5, Florian Wallner4, Daniel Barredo4, Thierry Lahaye4, and Antoine Browaeys4 — 1Physikalisches Institut, Universität Heidelberg, Im Neuenheimer Feld 226, 69120 Heidelberg, Germany — 2Physikalisches Institut, Im Neuenheimer Feld 226 — 3Université Lille, CNRS, UMR 8523 -PhLAM- Physique des Lasers, Atomes et Molécules, Lille, France — 4Université Paris-Saclay, Institut d'Optique Graduate School, CNRS, Laboratoire Charles Fabry, 91127 Palaiseau Cedex, France — 5Pasqal, 2 avenue Augustin Fresnel, 91120 Palaiseau, France
Using time-periodic driving, we present how a naturally given many-body Hamiltonian of a quantum system can be transformed into an effective target Hamiltonian. We demonstrate such Floquet engineering with a Rydberg-spin system in different spatial geometries. Applying a sequence of spin manipulations, we change the interaction parameters of the effective XYZ Hamiltonian. In a 3D disordered configuration with hundreds of spins, we explore the conservation laws associated to engineered symmetries. In complementary experiments, we apply the engineering to a 1D array of ordered atoms and benchmark the technique for the case of two atoms. Furthermore, we explore the transport behavior of a domain wall state for tunable XXZ Hamiltonians.