http://www.cnr.it/ontology/cnr/individuo/prodotto/ID74246
Efficient quantum information transfer through a uniform channel (Articolo in rivista)
- Type
- Label
- Efficient quantum information transfer through a uniform channel (Articolo in rivista) (literal)
- Anno
- 2011-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- Alternative label
Leonardo Banchi (1,2); Tony J. G. Apollaro (1); Alessandro Cuccoli (1,2); Ruggero Vaia (3); Paola Verrucchi (3,1,2) (2011)
Efficient quantum information transfer through a uniform channel
in Nanomaterials and Nanotechnology; InTech, Rijeka (Croazia)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Leonardo Banchi (1,2); Tony J. G. Apollaro (1); Alessandro Cuccoli (1,2); Ruggero Vaia (3); Paola Verrucchi (3,1,2) (literal)
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- http://www.intechopen.com/journals/nanomaterials_and_nanotechnology/efficient-quantum-information-transfer-through-a-uniform-channel (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
- InTech, Open Access Publisher. (literal)
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- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- 1) Dipartimento di Fisica e Astronomia, Universita' di Firenze, Italy
2) Istituto Nazionale di Fisica Nucleare, Sezione di Firenze, Italy
3) Istituto dei Sistemi Complessi - CNR, Italy (literal)
- Titolo
- Efficient quantum information transfer through a uniform channel (literal)
- Abstract
- Effective quantum-state and entanglement transfer can be obtained by inducing a coherent dynamics in quantum wires with homogeneous intrawire interactions. This goal is accomplished by optimally tuning the coupling between the wire endpoints and the two qubits there attached. A general procedure to determine such value is devised, and scaling laws between the optimal coupling and the length of the wire are found. The procedure is implemented in the case of a wire consisting of a spin-1/2 XY chain: results for the time dependence of the quantities which characterize quantum-state and entanglement transfer are found of extremely good quality also for very long wires. The present approach does not require engineered intrawire interactions nor a specific initial pulse shaping, and can be applied to a vast class of quantum channels. (literal)
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