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arXiv · 2406.02270

Steady-State Entanglement Generation via Casimir-Polder Interactions

Mohsen Izadyari·Onur Pusuluk·Kanu Sinha·Özgür E. Müstecaplıoğlu
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Abstract

We investigate the generation of steady-state entanglement between two atoms resulting from the fluctuation-mediated Casimir-Polder (CP) interactions near a surface. Starting with an initially separable state of the atoms, we analyze the atom-atom entanglement dynamics for atoms placed at distances in the range of $\sim25$ nm away from a planar medium, examining the effect of medium properties and geometrical configuration of the atomic dipoles. We show that perfectly conducting and superconducting surfaces yield an optimal steady-state concurrence value of approximately 0.5. Furthermore, although the generated entanglement decreases with medium losses for a metal surface, we identify an optimal distance from the metal surface that assists in entanglement generation by the surface. While fluctuation-mediated interactions are typically considered detrimental to the coherence of quantum systems at nanoscales, our results demonstrate a mechanism for leveraging such interactions for entanglement generation.

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Mohsen Izadyari, Onur Pusuluk, Kanu Sinha, Özgür E. Müstecaplıoğlu. 2024-06-04. Steady-State Entanglement Generation via Casimir-Polder Interactions. https://doi.org/10.1038/s41598-025-21067-6

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