Deterministic controlled bidirectional remote state preparation
Thi Bich Cao, Nguyen Ba An · Advances in Natural Sciences Nanoscience and Nanotechnology · 2013
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.