Entanglement generation between distant spins via quasilocal reservoir engineering

The generation and preservation of entanglement is a central goal in quantum technology. Traditionally, dissipation in quantum systems is thought to be detrimental to entanglement, however dissipation can also be utilized as a means of generating entanglement between quantum spins that are not direc...

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Veröffentlicht in:Physical review research 2023-12, Vol.5 (4), p.043295, Article 043295
Hauptverfasser: Dias, Josephine, Wächtler, Christopher W., Nemoto, Kae, Munro, William J.
Format: Artikel
Sprache:eng
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Zusammenfassung:The generation and preservation of entanglement is a central goal in quantum technology. Traditionally, dissipation in quantum systems is thought to be detrimental to entanglement, however dissipation can also be utilized as a means of generating entanglement between quantum spins that are not directly interacting. In particular, entanglement can be generated between two qubits, or multiqubit systems via a collective coupling to a reservoir. In this work, we explore multiple spin domains pairwise coupled to different reservoirs and show that entanglement can be generated between spins which are not coupled to each other, or even coupled to the same reservoir.
ISSN:2643-1564
2643-1564
DOI:10.1103/PhysRevResearch.5.043295