期刊
UNIVERSE
卷 6, 期 9, 页码 -出版社
MDPI
DOI: 10.3390/universe6090149
关键词
quantum entanglement; quantum simulation; analogue gravity
资金
- Postdoctoral Junior Leader Fellowship Programme from la Caixa Banking Foundation [LCF/BQ/LR18/11640005]
We propose an experimental setup to test the effect of curved spacetime upon the extraction of entanglement from the quantum field vacuum to a pair of two-level systems. We consider two superconducting qubits coupled to a dc-SQUID array embedded into an open microwave transmission line, where an external bias can emulate a spacetime containing a traversable wormhole. We find that the amount of vacuum entanglement that can be extracted by the qubits depends on the wormhole parameters. At some distances qubits which would be in a separable state in flat spacetime would become entangled due to the analogue wormhole background.
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