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Active control of qubit–qubit entanglement evolution

descriptionPublicationkeyboard_double_arrow_right Article , Preprint 01 Sep 2010Embargo end date: 01 Jan 2009 English Publisher:Elsevier BVJournal:Physics Letters A, volume 374, pages 4,199-4,204 (issn: 0375-9601,

Authors: Fernando L. Semião; A. S. de Castro; J.F. Leandro; P. P. Munhoz;

doi: 10.1016/j.physleta.2010.08.035 , 10.48550/arxiv.0909.3545

arXiv: http://arxiv.org/abs/0909.3545

Active control of qubit–qubit entanglement evolution

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Abstract

In this work, we propose a scheme to design the time evolution of the entropy of entanglement between two qubits. It is shown an explicit accurate solution for the inverse problem of determining the time dependence of the coupling constant from a user-defined dynamical entanglement function. Such an active control of entanglement can be implemented in many different physical implementations of coupled qubits, and we briefly comment on the use of interacting flux qubits.

Author added, Expanded version, 10 figures

Related Organizations

Ponta Grossa State University
Brazil

Keywords

Quantum Physics, FOS: Physical sciences, Quantum Physics (quant-ph)

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