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Trapped Ion Quantum Computing Quantum Simulation

Parametric squeezing amplification of Bose-Einstein condensates

arXiv
Authors: Georg Jäger, Tarik Berrada, Jörg Schmiedmayer, Thorsten Schumm, Ulrich Hohenester

Year

2015

Paper ID

26217

Status

Preprint

Abstract Read

~2 min

Abstract Words

93

Citations

N/A

Abstract

We theoretically investigate the creation of squeezed states of a Bose-Einstein Condensate (BEC) trapped in a magnetic double well potential. The number or phase squeezed states are created by modulating the tunnel coupling between the two wells periodically with twice the Josephson frequency, i.e., through parametric amplification. Simulations are performed with the multi configurational Hartree method for bosons (MCTDHB). We employ optimal control theory to bring the condensate to a complete halt at a final time, thus creating a highly squeezed state squeezing factor of 0.12, $ξS2=-18$ dB suitable for atom interferometry.

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  • We theoretically investigate the creation of squeezed states of a Bose-Einstein Condensate (BEC) trapped in a magnetic double well potential.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1511.03146 [2] arXiv https://arxiv.org/abs/1511.03146 [3] Publisher https://arxiv.org/abs/1511.03146

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