Journal
PHYSICAL REVIEW LETTERS
Volume 125, Issue 24, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.125.240504
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Funding
- AFOSR [FA9550-18-1-0319]
- DARPA via ARO [W911NF-16-1-0576]
- ARO [W911NF-19-1-0210]
- NSF [PHY1820885, QLCI-2016244]
- NSF JILA-PFC [PHY-1734006]
- NIST
- Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) under Germany's Excellence Strategy-EXC-2123 QuantumFrontiers [390837967]
- Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) through CRC [1227]
- Villum Foundation
- Carlsberg Foundation
- Danish National Research Foundation through the Center of Excellence CCQ [DNRF156]
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We theoretically propose and experimentally demonstrate the use of motional sidebands in a trapped ensemble of Rb-87 atoms to engineer tunable long-range XXZ spin models. We benchmark our simulator by probing a ferromagnetic to paramagnetic dynamical phase transition in the Lipkin-Meshkov-Glick model, a collective XXZ model plus additional transverse and longitudinal fields, via Rabi spectroscopy. We experimentally reconstruct the boundary between the dynamical phases, which is in good agreement with mean-field theoretical predictions. Our work introduces new possibilities in quantum simulation of anisotropic spin-spin interactions and quantum metrology enhanced by many-body entanglement.
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