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Simulation of XXZ spin models using sideband transitions in trapped bosonic gases

Publikation: Beitrag in FachzeitschriftArtikelForschungPeer-Review

Autorschaft

  • Anjun Chu
  • J. Will
  • J. Arlt
  • Carsten Klempt

Externe Organisationen

  • Aarhus University
  • University of Colorado Boulder
  • National Institute of Standards and Technology (NIST)

Details

OriginalspracheEnglisch
Aufsatznummer240504
Seitenumfang13
FachzeitschriftPhysical review letters
Jahrgang125
Ausgabenummer24
PublikationsstatusVeröffentlicht - 7 Dez. 2020

Abstract

We theoretically propose and experimentally demonstrate the use of motional sidebands in a trapped ensemble of Rb87 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.

ASJC Scopus Sachgebiete

Zitieren

Simulation of XXZ spin models using sideband transitions in trapped bosonic gases. / Chu, Anjun; Will, J.; Arlt, J. et al.
in: Physical review letters, Jahrgang 125, Nr. 24, 240504, 07.12.2020.

Publikation: Beitrag in FachzeitschriftArtikelForschungPeer-Review

Chu A, Will J, Arlt J, Klempt C, Rey AM. Simulation of XXZ spin models using sideband transitions in trapped bosonic gases. Physical review letters. 2020 Dez 7;125(24):240504. doi: 10.48550/arXiv.2004.01282, 10.1103/PhysRevLett.125.240504
Chu, Anjun ; Will, J. ; Arlt, J. et al. / Simulation of XXZ spin models using sideband transitions in trapped bosonic gases. in: Physical review letters. 2020 ; Jahrgang 125, Nr. 24.
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abstract = "We theoretically propose and experimentally demonstrate the use of motional sidebands in a trapped ensemble of Rb87 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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AU - Klempt, Carsten

AU - Rey, Ana Maria

N1 - Funding Information: We thank Itamar Kimchi and Diego Barberena for useful discussions. The theoretical work is supported by the AFOSR Grant No. FA9550-18-1-0319, by the DARPA (funded via ARO) Grant No. W911NF-16-1-0576, the ARO single investigator Grant No. W911NF-19-1-0210, the NSF PHY1820885, NSF JILA-PFC PHY-1734006 and NSF QLCI-2016244 grants, and by NIST. The experimental work is funded by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) under Germany’s Excellence Strategy–EXC-2123 QuantumFrontiers–390837967, and through CRC 1227 (DQ-mat), project A02. J. A. acknowledges support by the Villum Foundation, the Carlsberg Foundation, and the Danish National Research Foundation through the Center of Excellence “CCQ” (Grant No. DNRF156).

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