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Artículo

Efficient Quantum Information Transfer Through a Uniform Channel

Paola Verrucchi et al · SAGE Publishing · 2011

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Author / responsible party
Paola Verrucchi et al
Publisher
SAGE Publishing
Year
2011
ISSN
1847-9804
ISSN
1847-9804
Language
English

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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.

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APA 7

al, P. V. E. (2011). Efficient Quantum Information Transfer Through a Uniform Channel. https://doi.org/10.5772/50947

MLA

al, Paola Verrucchi et. "Efficient Quantum Information Transfer Through a Uniform Channel." 2011. https://doi.org/10.5772/50947.

Chicago

al, Paola Verrucchi et. 2011. "Efficient Quantum Information Transfer Through a Uniform Channel.". https://doi.org/10.5772/50947.

Harvard

al, P. V. E. 2011, Efficient Quantum Information Transfer Through a Uniform Channel, SAGE Publishing, available at: https://doi.org/10.5772/50947 [Accessed 5 Aug. 2026].

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Title
Efficient Quantum Information Transfer Through a Uniform Channel
Author / contributors
Paola Verrucchi et al
Publisher
SAGE Publishing
Publication year
2011
ISSN
1847-9804
ISSN
1847-9804
Language
English

Subjects

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spin chains; dynamics; quantum channels; entanglement
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