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- Title
Deterministic assisted cloning of an unknown single-particle four-dimensional quantum state.
- Authors
Ma, Peng-Cheng; Chen, Gui-Bin; Zhan, You-Bang; Li, Xiao-Wei
- Abstract
In this paper, we present a scheme which can produce a perfect copy of an unknown single-particle four-dimensional quantum state with assistance from a state preparer. Two stages were included in this scheme. The first stage requires the usual teleportation, after Alice’s (the state sender) generalised Bell state measurement. Bob (the state receiver) can get the original state with unit probability. In the second stage, after having received Victor’s (the state preparer) classical message, and using the rest resource of the teleportation process, the perfect copy of an original unknown state can be produced in Alice’s place. To realise the scheme, several novel sets of measuring basis were introduced. It must be pointed out that, in the present scheme, the total success probability for assisted cloning of a perfect copy of the unknown state can reach 1.
- Subjects
QUANTUM states; PROBABILITY theory; FOUR-dimensional imaging; QUANTUM entanglement; QUANTUM mechanics
- Publication
Pramana: Journal of Physics, 2018, Vol 91, Issue 1, p1
- ISSN
0304-4289
- Publication type
Article
- DOI
10.1007/s12043-018-1576-3