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- Title
Scheme for assisted cloning an unknown arbitrary three-qubit state.
- Authors
Xiao, Xiao-Qi; Liu, Jin-Ming
- Abstract
We present a scheme for perfect cloning or orthogonal complementing an unknown arbitrary three-qubit state with assistance. This cloning scheme is divided into two stages. In the first stage, the initial state can be teleported from a sender to a receiver probabilistically via three partially entangled states. In the second stage, the exact copying and orthogonal complementing of the three-qubit state can be created with unity fidelity in a probabilistic manner with the state preparer performing an appropriate tri-particle projective measurement. It is shown that for some special ensembles of the three-qubit state our assisted cloning scheme can be achieved exactly and deterministically.
- Subjects
QUANTUM teleportation; SCHEME programming language; QUANTUM computers; PERFORMANCE evaluation; ORTHOGONALIZATION; PROBABILITY theory; COPYING
- Publication
Quantum Information Processing, 2011, Vol 10, Issue 4, p567
- ISSN
1570-0755
- Publication type
Article
- DOI
10.1007/s11128-010-0218-6