02/23
2023
Seminar
- Title题目 Detecting Unruh effect with quantum entanglement
- Speaker报告人 余洪伟 (湖南师范大学)
- Date日期 2023年02月23日 14:00
- Venue地点 南楼6420
Abstract摘要
We show that for a pair of rotating atoms under pure vacuum noise with appropriate orbital radius and angular velocity, nonlocal entanglement as compared to local coherence is not only more resilient against vacuum noise to be preserved in the steady-state for initially entangled states, but more importantly is also predestined to be created and be preserved for initially separable states. The asymptotic entanglement as a result of centripetal acceleration is thus initial-state independent and can be viewed as a manifestation of the Unruh effect. Based on this phenomenon, we propose an optomechanical setup to detect the Unruh effect with the state-of-the-art technologies.
报告人简介： 余洪伟，美国Tufts大学博士，湖南师范大学教授, 教育部长江学者创新团队带头人，曾获湖南省科技进步一等奖和自然科学一等奖（第一完成人），指导学生获全国百篇优秀博士学位论文和提名论文。
邀请人： 蔡荣根 研究员
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