Multi-particle entanglement and generalized N-particle teleportation using quantum statistical correlations

Details Multi-particle entanglement and generalized N-particle teleportation using quantum statistical correlations Multi-particle entanglement and generalized N-particle teleportation using quantum statistical correlations

2007-10-18

arxiv.org/abs/0710.3476v1

Physics

Quantum Physics

50 pages, 12 Tables, 9 figures and 38 references

Scientific paper

Construction of multi-particle entangled states and direct teleportation of N-(spin 1/2) particles are important areas of quantum information processing. A number of different schemes which have been presented already, address the problem through controlled teleportation. In this article, a criterion based on standard quantum statistical correlations employed in the many body virial expansions is used to determine maximum entanglement for a N-particle state. These states remain entangled through proper traces to states for a smaller number of particles and can be generalized for arbitrary number of particles. It is shown that they are quite useful in generalized, N-particle, direct teleportation. The corresponding quantum gates are also indicated for teleportation schemes from simple computational basis states.

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