Generation and stabilization of Bell states via repeated projective measurements on a driven ancilla qubit Article Swipe
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Luca Magazzù
,
Juan Jaramillo
,
Peter Talkner
,
Peter Hänggi
·
YOU?
·
· 2018
· Open Access
·
· DOI: https://doi.org/10.1088/1402-4896/aabeb8
· OA: W2787029642
YOU?
·
· 2018
· Open Access
·
· DOI: https://doi.org/10.1088/1402-4896/aabeb8
· OA: W2787029642
A protocol is proposed to generate Bell states in two non-directly\ninteracting qubits by means of repeated measurements of the state of a central\nancilla connected to both qubits. An optimal measurement rate is found that\nminimizes the time to stably encode a Bell state in the target qubits, being of\nadvantage in order to reduce detrimental effects from possible interactions\nwith the environment. The quality of the entanglement is assessed in terms of\nthe concurrence and the distance between the qubits state and the target Bell\nstate is quantified by the fidelity.\n
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