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Trapped Ion Quantum Computing

Quantum sensing using imbalanced counter-rotating Bose--Einstein condensate modes

arXiv
Authors: G. Pelegrí, J. Mompart, V. Ahufinger

Year

2018

Paper ID

7437

Status

Preprint

Abstract Read

~2 min

Abstract Words

113

Citations

N/A

Abstract

A quantum device for measuring two-body interactions, scalar magnetic fields and rotations is proposed using a Bose--Einstein condensate (BEC) in a ring trap. We consider an imbalanced superposition of orbital angular momentum modes with opposite winding numbers for which a rotating minimal atomic density line appears. We derive an analytical model relating the angular frequency of the minimal density line rotation to the strength of the non-linear atom-atom interactions and the difference between the populations of the counter-propagating modes. Additionally, we propose a full experimental protocol based on direct fluorescence imaging of the BEC that allows to measure all the quantities involved in the analytical model and use the system for sensing purposes.

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  • This paper contributes to the Trapped-Ion Quantum Computing research area in the Quantum Articles archive.
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  • A quantum device for measuring two-body interactions, scalar magnetic fields and rotations is proposed using a Bose--Einstein condensate (BEC) in a ring trap.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1809.08795 [2] arXiv https://arxiv.org/abs/1809.08795 [3] Publisher https://arxiv.org/abs/1809.08795

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