Effects of Indistinguishability in a System of Three Identical Qubits

Risultato della ricerca: Conference articlepeer review

Abstract

Quantum correlations of identical particles are important for quantum-enhanced technologies. The recently introduced non-standard approach to treat identical particles is here exploited to show the effect of particle indistinguishability on the characterization of entanglement of three identical qubits. We show that, by spatially localized measurements in separated regions, three independently-prepared separated qubits in a pure elementary state behave as distinguishable ones, as expected. On the other hand, delocalized measurements make it emerge a measurement-induced entanglement. We then find that three independently-prepared boson qubits under complete spatial overlap exhibit genuine three-partite entanglement. These results evidence the effect of spatial overlap on identical particle entanglement and show that the latter depends on both the quantum state and the type of measurement.
Lingua originaleEnglish
pagine (da-a)1-4
Numero di pagine4
RivistaPROCEEDINGS
Volume12
Stato di pubblicazionePublished - 2019

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