NDLI: Quantum Information Splitting of a Two-qubit Bell State Using a Five-qubit Entangled State

Content Provider	Springer Nature Link
Author	Wang, Rui jin Li, Dong fen Deng, Fu hu
Copyright Year	2015
Abstract	A scheme for quantum information splitting of a two-qubit Bell state using a five-qubit entangled state as quantum channel is proposed. In the scheme,a genuine five-qubit entangled can be used as the quantum channel. Assume that the sender is called Alice, the receiver is called Bob and the controller id called Charlie. Alice, Bob and Charlie share a five-qubit quantum entangled state. The sender Alice sends the quantum information to the receiver Bob, anyone can not obtain the quantum information, unless they cooperate with each other. Alice first performs Bell-state measurements on her qubit paris (A, 1) (B, 5) respectively and then tells Charlie and Bob measurement results via a classical channel. It is impossible for Bob to reconstruct the original state with local operation, if Charlie allows Bob to reconstruct the original states, he needs to perform a single-qubit measurement on his qubit and tells Bob the results. According to the information from Alice and Charlie, Bob can reconstruct the original state with an appropriate unitary operation of his qubits 3, 4. We also consider the problem of security attacks. This protocol is considered to be secure.
Starting Page	3229
Ending Page	3237
Page Count	9
File Format	PDF
ISSN	00207748
Journal	International Journal of Theoretical Physics
Volume Number	54
Issue Number	9
e-ISSN	15729575
Language	English
Publisher	Springer US
Publisher Date	2015-02-15
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Quantum information splitting Two-qubit Bell state Bell-state measurements Five-qubit entangled state Physics Quantum Physics Elementary Particles, Quantum Field Theory Theoretical, Mathematical and Computational Physics
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy Mathematics

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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