Extracting past-future vacuum correlations using circuit QED

C Sabín, B Peropadre, M del Rey, E Martín-Martínez - Physical Review Letters, 2012 - APS
We propose a realistic circuit QED experiment to test the extraction of past-future vacuum
entanglement to a pair of superconducting qubits. The qubit P interacts with the quantum
field along an open transmission line for an interval T on and then, after a time-lapse T off,
the qubit F starts interacting for a time T on in a symmetric fashion. After that, past-future
quantum correlations will have transferred to the qubits, even if the qubits do not coexist at
the same time. We show that this experiment can be realized with current technology and …

Extracting Past-Future Vacuum Correlations Using Circuit QED

B Peropadre, C Sabin, M Del Rey… - APS March Meeting …, 2013 - ui.adsabs.harvard.edu
In this work we propose a realistic circuit QED experiment to test the extraction of past-future
vacuum entanglement to a pair of superconducting qubits. A qubit P-for past-interacts with a
quantum field along an open transmission line for an interval T on and then, after a time-
lapse T off of no interaction, a second qubit F-for future-starts interacting for a time T on in a
symmetric fashion. After this protocol, past-future quantum correlations will have transferred
to the qubits, even if the qubits do not coexist at the same time. We show that this experiment …
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