Detecting circular Unruh effect with quantum entanglement

Detecting circular Unruh effect with quantum entanglement

We show that the asymptotic state of a quantum system composed of two atoms in circular motion in vacuum can be entangled when the angular velocity and the radius of the orbit are appropriate. The asymptotic entanglement as a result of centripetal acceleration is initial-state independent and can be...

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Veröffentlicht in:arXiv.org 2023-03
Hauptverfasser: Zhou, Yuebing, Hu, Jiawei, Yu, Hongwei
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Acceleration
Angular velocity
Asymptotic properties
Quantum entanglement
Quantum theory
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description We show that the asymptotic state of a quantum system composed of two atoms in circular motion in vacuum can be entangled when the angular velocity and the radius of the orbit are appropriate. The asymptotic entanglement as a result of centripetal acceleration is initial-state independent and can be viewed as a manifestation of the circular version of the Unruh effect. Based on this phenomenon, we propose an optomechanical setup to detect the circular Unruh effect with the state-of-the-art technologies.
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subjects Acceleration
Angular velocity
Asymptotic properties
Quantum entanglement
Quantum theory
title Detecting circular Unruh effect with quantum entanglement
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