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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/60

Title: Entanglement Witness Operator for Quantum Teleportation
Authors: Ganguly, Nirman
Adhikari, Satyabrata
Majumdar, A S
Chatterjee, Jyotishman
Issue Date: 2011
Publisher: Phys. Rev. Lett.
Citation: N. Ganguly, S. Adhikari, A. S. Majumdar, J. Chatterjee, Entanglement witness operator for quantum teleportation, Phys. Rev. Lett., 2011, 107, 270501
Abstract: The ability of entangled states to act as a resource for teleportation is linked to a property of the fully entangled fraction. We show that the set of states with their fully entangled fraction bounded by a threshold value required for performing teleportation is both convex and compact. This feature enables the existence of Hermitian witness operators, the measurement of which could distinguish unknown states useful for performing teleportation. We present an example of such a witness operator illustrating it for different classes of states.
URI: http://hdl.handle.net/123456789/60
Appears in Collections:2011

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