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Quantum Simulation

Detecting two-site spin-entanglement in many-body systems with local particle-number fluctuations

arXiv
Authors: Leonardo Mazza, Davide Rossini, Rosario Fazio, Manuel Endres

Year

2014

Paper ID

47973

Status

Preprint

Abstract Read

~2 min

Abstract Words

81

Citations

N/A

Abstract

We derive experimentally measurable lower bounds for the two-site entanglement of the spin-degrees of freedom of many-body systems with local particle-number fluctuations. Our method aims at enabling the spatially resolved detection of spin-entanglement in Hubbard systems using high-resolution imaging in optical lattices. A possible application is the observation of entanglement generation and spreading during spin impurity dynamics, for which we provide numerical simulations. More generally, the scheme can simplify the entanglement detection in ion chains, Rydberg atoms, or similar atomic systems.

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  • This paper contributes to the Quantum Simulation research area in the Quantum Articles archive.
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  • We derive experimentally measurable lower bounds for the two-site entanglement of the spin-degrees of freedom of many-body systems with local particle-number fluctuations.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1408.4672 [2] arXiv https://arxiv.org/abs/1408.4672 [3] Publisher https://arxiv.org/abs/1408.4672

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