Accumulation of entanglement in a continuous variable memory

Mauro Paternostro, Myungshik Kim, Massimo Palma

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

We study entanglement accumulation in a memory built out of two continuous variable systems interacting with a qubit that mediates their indirect coupling. We show that, in contrast with the case of bidimensional Hilbert spaces, entanglement superior to one ebit can be accumulated in the memory, even though no entangled resource is used. The protocol is immediately implementable and we assess the role of the main imperfections.
Original languageEnglish
Article number140504
Number of pages2
JournalPhysical Review Letters
Volume98
Issue number14
DOIs
Publication statusPublished - 03 Apr 2007

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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