Quantum teleportation between nanomechanical modes

Details Quantum teleportation between nanomechanical modes Quantum teleportation between nanomechanical modes

2005-12-19

arxiv.org/abs/quant-ph/0512148v1

Phys. Rev. B 74, 125314 (2006)

Physics

Quantum Physics

submitted

Scientific paper

10.1103/PhysRevB.74.125314

We study a quantum teleportation scheme between two nanomechanical modes without local interaction. The nanomechanical modes are linearly coupled to and connected by the continuous variable modes of a superconducting circuit consisting of a transmission line and Josephson junctions. We calculate the fidelity of transferring Gaussian states at finite temperature and non-unit detector efficiency. For coherent state, a fidelity above the classical limit of 1/2 can be achieved for a large range of parameters.

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