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quant-ph2020★ 17 cited
Quantum Correlation Dynamics in Controlled Two-Coupled-Qubit Systems
Iulia Ghiu, Roberto Grimaudo, Tatiana Mihaescu +2
We study and compare the time evolutions of concurrence and quantum discord in a driven system of two interacting qubits prepared in a generic Werner state. The~corresponding quant…
quant-ph2020
Detecting entanglement of unknown continuous variable states with random measurements
Tatiana Mihaescu, Hermann Kampermann, Giulio Gianfelici +2
We explore the possibility of entanglement detection in continuous variable systems by entanglement witnesses based on covariance matrices, constructible from random homodyne measu…