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Deterministic quantum teleportation with feed-forward in a solid state system

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      Teleporting an unknown quantum state via dual classical and Einstein-Podolsky-Rosen channels.

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        Superconducting quantum bits.

        Superconducting circuits are macroscopic in size but have generic quantum properties such as quantized energy levels, superposition of states, and entanglement, all of which are more commonly associated with atoms. Superconducting quantum bits (qubits) form the key component of these circuits. Their quantum state is manipulated by using electromagnetic pulses to control the magnetic flux, the electric charge or the phase difference across a Josephson junction (a device with nonlinear inductance and no energy dissipation). As such, superconducting qubits are not only of considerable fundamental interest but also might ultimately form the primitive building blocks of quantum computers.
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          Superconducting circuits for quantum information: an outlook.

          The performance of superconducting qubits has improved by several orders of magnitude in the past decade. These circuits benefit from the robustness of superconductivity and the Josephson effect, and at present they have not encountered any hard physical limits. However, building an error-corrected information processor with many such qubits will require solving specific architecture problems that constitute a new field of research. For the first time, physicists will have to master quantum error correction to design and operate complex active systems that are dissipative in nature, yet remain coherent indefinitely. We offer a view on some directions for the field and speculate on its future.
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            Author and article information

            Journal
            Nature
            Nature
            Springer Science and Business Media LLC
            0028-0836
            1476-4687
            August 2013
            August 14 2013
            August 2013
            : 500
            : 7462
            : 319-322
            10.1038/nature12422
            © 2013

            http://www.springer.com/tdm

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