Active control of qubit-qubit entanglement evolution

Details Active control of qubit-qubit entanglement evolution Active control of qubit-qubit entanglement evolution

2009-09-18

arxiv.org/abs/0909.3545v2

Phys. Lett A 374 (2010) 4199-4204

Physics

Quantum Physics

Author added, Expanded version, 10 figures

Scientific paper

10.1016/j.physleta.2010.08.035

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.

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