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Simulation of XXZ Spin Models using Sideband Transitions in Trapped Bosonic Gases | | Anjun Chu
; Johannes Will
; Jan Arlt
; Carsten Klempt
; Ana Maria Rey
; | | Date: |
3 Apr 2020 | | Abstract: | We theoretically propose and experimentally demonstrate the use of motional
sidebands in a trapped ensemble of $^{87}$Rb atoms to engineer tunable
long-range XXZ spin models. We benchmark our simulator by probing a
ferromagnetic to paramagnetic dynamical phase transition in the so called
Lipkin-Meshkov-Glick (LMG) 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. In addition we analyze the
achievable spin squeezing in our XXZ simulator theoretically, opening the
possibilities of using motional sidebands as a tool to push the frontiers of
metrology via quantum entanglement. | | Source: | arXiv, 2004.1282 | | Services: | Forum | Review | PDF | Favorites | |
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