Use of dynamical coupling for improved quantum state transfer

Lyakhov, A. O. and Bruder, C.. (2006) Use of dynamical coupling for improved quantum state transfer. Physical Review B, Vol. 74, H. 23 , 235303, 4 S..

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Official URL: http://edoc.unibas.ch/dok/A5252825

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We propose a method to improve quantum state transfer in transmission lines. The idea is to localize the information on the last qubit of a transmission line by dynamically varying the coupling constants between the first and the last pair of qubits. The fidelity of state transfer is higher then in a chain with fixed coupling constants. The effect is stable against small fluctuations in the system parameters.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Theoretische Physik (Bruder)
UniBasel Contributors:Bruder, Christoph
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:American Institute of Physics
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:22 Mar 2012 14:25
Deposited On:22 Mar 2012 13:48

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