Teleportation of an unknown bipartite state via non-maximally entangled two-particle state

• 来源期刊: 中国物理（英文版）
• 关键词: teleportation Bell-state measurements Hadamard transformation C-not operation
• 年，卷（期）: 2006,（5）
• 页码范围: 915-918
• 页数: 4页
• 语种: 英文

摘要

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 G-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.