Abstract In this paper a new scheme for teleporting an unknown entangled state of two particles is proposed. To weaken the requirement for the quantum channel, without loss of generality, two communicators only share a non-maximally entangled two-particle state. Teleportation can be probabilistically realized if sender performs Bell-state measurements and Hadamard transformation and receiver introduces two auxiliary particles, operates C-not operation, single-qubit measurements and appropriate unitary transformations. The probability of successful teleportation is determined by the smaller one among the coefficients' absolute values of the quantum channel.
Received: 31 October 2005
Revised: 06 January 2006
Accepted manuscript online:
(Foundations of quantum mechanics; measurement theory)
Fund: Project supported by the National Natural Science Foundation of China (Grant Nos 60472017 and 10575017).
Cite this article:
Cao Hai-Jing (曹海静), Guo Yan-Qing (郭彦青), Song He-Shan (宋鹤山) Teleportation of an unknown bipartite state via non-maximally entangled two-particle state 2006 Chinese Physics 15 915
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