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Extracting Past-Future Vacuum Correlations Using Circuit QED

AuthorsSabín, Carlos ; Peropadre, Borja ; Rey, Marco del ; Martín-Martínez, Eduardo
Issue Date17-Jul-2012
PublisherAmerican Physical Society
CitationPhysical Review Letters 109(3): 033602 (2012)
AbstractWe 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 Ton and then, after a time-lapse Toff, the qubit F starts interacting for a time Ton 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 discuss its utility as a possible implementation of a quantum memory.
DescriptionPACS: 42.50.-p, 03.65.Ud, 03.67.Lx, 85.25.-j
Publisher version (URL)http://dx.doi.org/10.1103/PhysRevLett.109.033602
Appears in Collections:(CFMAC-IFF) Artículos
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