Journal
NEW JOURNAL OF PHYSICS
Volume 20, Issue -, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1367-2630/aac3fa
Keywords
trapped-ion quantum simulator; Dicke model; bang-bang shortcut to adiabaticity; many-body entanglement
Categories
Funding
- Defense Advanced Research Projects Agency (DARPA)
- Army Research Office [W911NF-16-1-0576]
- NSF [PHY-1521080, PHYS-1620555]
- JILA-NSF [PFC-173400]
- Air Force Office of Scientific Research and its Multidisciplinary University Research Initiative [FA9550-13-1-0086]
- DFG Collaborative Research Center [SFB1225]
- Leopoldina Fellowship Programme
- McDevitt bequest at Georgetown
- NIST
- Direct For Mathematical & Physical Scien
- Division Of Physics [1521080] Funding Source: National Science Foundation
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We introduce a bang-bang shortcut to adiabaticity for the Dicke model, which we implement via a two-dimensional array of trapped ions in a Penning trap with a spin-dependent force detuned close to the center-of-mass drumhead mode. Our focus is on employing this shortcut to create highly entangled states that can be used in high-precision metrology. We highlight that the performance of the bang-bang approach is comparable to standard preparation methods, but can be applied over a much shorter time frame. We compare these theoretical ideas with experimental data which serve as a first step towards realizing this theoretical procedure for generating multi-partite entanglement.
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