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Article overview
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Teleportation-Induced Correlated Quantum Channels | | Filippo Caruso
; Vittorio Giovannetti
; G. Massimo Palma
; | | Date: |
2 Jun 2009 | | Abstract: | Quantum teleportation of a n-qubit state performed using as entangled
resource a general bipartite state of 2n qubits instead of n Bell states is
equivalent to a correlated Pauli channel. This provides a new characterization
of such channels in terms of many-body correlation functions of the teleporting
media. Our model is then generalized to the Continuous Variable case. We show
that this new representation provides a relatively simple method for
determining whether a correlated quantum channel is able to reliably convey
quantum messages by studying the entanglement properties of the teleportation
mediating system. | | Source: | arXiv, 0906.0506 | | Services: | Forum | Review | PDF | Favorites | |
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