docExperimental Exploration of Quantum Correlations: Discord versus
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Experimental Exploration of Quantum Correlations: Discord versus Entanglement E V Moreva1 , M Gramegna1 , M A Yurischev2 , and M Genovese1 1 2 Istituto Nazionale di Ricerca Metrologica, Turin, Italy Institute of Problems of Chemical Physics of the Russian Academy of Sciences, Moscow, Russia Contact Email: [email protected] Quantum correlations represent a fundamental tool for studies ranging from basic science to quantum technologies. Different non-classical correlations have been identified and studied, as entanglement and discord. In this letter we explore experimentally the rich geometry of Bell-diagonal states, measuring the values of entanglement and discord and highlighting the effect of decoherence in real experiments.
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IMPORTANT:
Alice does not know the state that must be teleported to Bob.
It is impossible for Alice to copy the qubit state.