3 April 2008 Altering the decay of quantum entanglement
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Decoherence of phases and dissipation of amplitudes can lead to loss of entanglement between two systems. In particular, an initially set-up entanglement of two qubits can end after a finite time in "sudden death". We show how local, unitary actions by the individual qubits can change this fate. In particular, the sudden death can even be averted all together.
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A. R. P. Rau, A. R. P. Rau, Mazhar Ali, Mazhar Ali, G. Alber, G. Alber, } "Altering the decay of quantum entanglement", Proc. SPIE 6976, Quantum Information and Computation VI, 69760I (3 April 2008); doi: 10.1117/12.778760; https://doi.org/10.1117/12.778760

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