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Trapped Ion Quantum Computing

Fast and optimal generation of entanglement in bosonic Josephson junctions

arXiv
Authors: Giacomo Sorelli, Manuel Gessner, Augusto Smerzi, Luca Pezzè

Year

2015

Paper ID

26284

Status

Preprint

Abstract Read

~2 min

Abstract Words

96

Citations

N/A

Abstract

We use an exact quantum phase model to study the dynamical generation of particle-entanglement in a bosonic Josephson junction composed by two coupled and interacting Bose-Einstein condensates. Using analytical arguments, we show that linear coupling can accelerate the creation of entanglement with respect to the well known one-axis twisting model where coupling is absent. Furthermore, with a numerical analysis of optimal control schemes, we identify the optimal parameters for the fast generation of metrologically useful entanglement on short time scales: the optimal evolution is generated for a specific ratio between the coupling and the interaction strength.

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  • We use an exact quantum phase model to study the dynamical generation of particle-entanglement in a bosonic Josephson junction composed by two coupled and interacting...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1511.01835 [2] arXiv https://arxiv.org/abs/1511.01835 [3] Publisher https://arxiv.org/abs/1511.01835

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