Einstein-Podolsky-Rosen-entangled Bose-Einstein condensates in state-dependent potentials: A dynamical study

Hadrien Kurkjian; Krzysztof Pawłowski; Alice Sinatra

doi:10.1103/PhysRevA.96.013621

Einstein-Podolsky-Rosen-entangled Bose-Einstein condensates in state-dependent potentials: A dynamical study

Hadrien Kurkjian, Krzysztof Pawłowski, Alice Sinatra

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Abstract

We study the generation of nonlocal correlations by atomic interactions in a pair of bimodal Bose-Einstein condensates in state-dependent potentials including spatial dynamics. The wave functions of the four components are described by combining a Fock state expansion with a time-dependent Hartree-Fock ansatz so that both the spatial dynamics and the local and nonlocal quantum correlations are accounted for. We find that despite the spatial dynamics, our protocol generates enough nonlocal entanglement to perform an Einstein-Podolsky-Rosen steering experiment with two spatially separated condensates of a few thousand atoms.

Original language	English (US)
Article number	013621
Journal	Physical Review A
Volume	96
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevA.96.013621
State	Published - Jul 19 2017

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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title = "Einstein-Podolsky-Rosen-entangled Bose-Einstein condensates in state-dependent potentials: A dynamical study",

abstract = "We study the generation of nonlocal correlations by atomic interactions in a pair of bimodal Bose-Einstein condensates in state-dependent potentials including spatial dynamics. The wave functions of the four components are described by combining a Fock state expansion with a time-dependent Hartree-Fock ansatz so that both the spatial dynamics and the local and nonlocal quantum correlations are accounted for. We find that despite the spatial dynamics, our protocol generates enough nonlocal entanglement to perform an Einstein-Podolsky-Rosen steering experiment with two spatially separated condensates of a few thousand atoms.",

author = "Hadrien Kurkjian and Krzysztof Paw{\l}owski and Alice Sinatra",

note = "Funding Information: H.K. acknowledges support as a FWO [PEGASUS]2 Marie Sklodowska-Curie fellow. This project received funding from the FWO and the European Union's Horizon 2020 research and innovation program under the Marie Sklodowska-Curie Grant Agreement No. 665501. K.P. acknowledges support by the (Polish) National Science Center Grant No. 2014/13/D/ST2/01883.",

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AU - Pawłowski, Krzysztof

AU - Sinatra, Alice

N1 - Funding Information: H.K. acknowledges support as a FWO [PEGASUS]2 Marie Sklodowska-Curie fellow. This project received funding from the FWO and the European Union's Horizon 2020 research and innovation program under the Marie Sklodowska-Curie Grant Agreement No. 665501. K.P. acknowledges support by the (Polish) National Science Center Grant No. 2014/13/D/ST2/01883.

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N2 - We study the generation of nonlocal correlations by atomic interactions in a pair of bimodal Bose-Einstein condensates in state-dependent potentials including spatial dynamics. The wave functions of the four components are described by combining a Fock state expansion with a time-dependent Hartree-Fock ansatz so that both the spatial dynamics and the local and nonlocal quantum correlations are accounted for. We find that despite the spatial dynamics, our protocol generates enough nonlocal entanglement to perform an Einstein-Podolsky-Rosen steering experiment with two spatially separated condensates of a few thousand atoms.

AB - We study the generation of nonlocal correlations by atomic interactions in a pair of bimodal Bose-Einstein condensates in state-dependent potentials including spatial dynamics. The wave functions of the four components are described by combining a Fock state expansion with a time-dependent Hartree-Fock ansatz so that both the spatial dynamics and the local and nonlocal quantum correlations are accounted for. We find that despite the spatial dynamics, our protocol generates enough nonlocal entanglement to perform an Einstein-Podolsky-Rosen steering experiment with two spatially separated condensates of a few thousand atoms.

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