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Three qubits in a symmetric environment: dissipatively generated asymptotic entanglement
Three qubits symmetric environment asymptotic entanglement
2010/10/18
We study the asymptotic entanglement of three identical qubits under the action of a Markovian open system dynamics that does not distinguish them.We show that by adding a completely depolarized qubit...
Asymptotic entanglement in a two-dimensional quantum walk
Asymptotic entanglement a two-dimensional quantum walk
2010/4/8
The evolution operator of a discrete-time quantum walk involves a conditional shift in position space which entangles the coin and position degrees of freedom of the walker. After several steps, the c...