Deterministic controlled bidirectional remote state preparation

Thi Bich Cao and Ba An Nguyen

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Keywords: nano


In this paper we propose a new protocol which allows two distant parties to simultaneously and deterministically exchange their states under control of a third remote party in such a way that it cannot succeed without permission of the controller. The original non-local quantum resource a priori shared among the three parties is a quintet of qubits in a so-called linear cluster state

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