Quantum-state transfer via resonant tunneling through local-field-induced barriers

Salvatore Lorenzo, Apollaro, Lorenzo, Sindona, Plastina

Risultato della ricerca: Articlepeer review

57 Citazioni (Scopus)


Efficient quantum-state transfer is achieved in a uniformly coupled spin-1/2 chain, with open boundaries, by application of local magnetic fields on the second and last-but-one spins, respectively. These effective barriers induce the appearance of two eigenstates, bilocalized at the edges of the chain, which allow a high-quality transfer also at relatively long distances. The same mechanism may be used to send an entire e-bit (e.g., an entangled qubit pair) from one to the other end of the chain. DOI: 10.1103/PhysRevA.87.042313
Lingua originaleEnglish
pagine (da-a)042313-042313
Numero di pagine8
Stato di pubblicazionePublished - 2013

All Science Journal Classification (ASJC) codes

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