The expansion of orthogonal complete set and teleportation of an arbitrary two-qubit state

Details The expansion of orthogonal complete set and teleportation of an arbitrary two-qubit state The expansion of orthogonal complete set and teleportation of an arbitrary two-qubit state

2006-07-18

arxiv.org/abs/quant-ph/0607116v1

Physics

Quantum Physics

12 pages, 1 table

Scientific paper

In accordance with the principle of superposition and operator rule, the state of the whole system composed of the state of the particles to be teleported and quantum channel can be expanded by Bell bases and transformation operator. Theoretically, if determinant of transformation operators is not zero, the teleportation can be realized only by performing an inverse transformation. Actually, if the transformation operator is not a unitary operation, then by using one auxiliary qubits, the teleportation can be realized only by performing a collective unitary transformation. Moreover, the further analysis of the relationship between collective unitary operation and transformation operators is discussed.

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