Indistinguishability of Elementary Systems as a Resource for Quantum Information Processing

Risultato della ricerca: Articlepeer review

50 Citazioni (Scopus)

Abstract

Typical elements of quantum networks are made by identical systems, which are the basic particles constituting a resource for quantum information processing. Whether the indistinguishability due to particle identity is an exploitable quantum resource remains an open issue. Here we study independently prepared identical particles showing that, when they spatially overlap, an operational entanglement exists that can be made manifest by means of separated localized measurements. We prove this entanglement is physical in that it can be directly exploited to activate quantum information protocols, such as teleportation. These results establish that particle indistinguishability is a utilizable quantum feature and open the way to new quantum-enhanced applications.
Lingua originaleEnglish
Numero di pagine6
RivistaPhysical Review Letters
Volume120
Stato di pubblicazionePublished - 2018

All Science Journal Classification (ASJC) codes

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