A family of quantum protocols

Details A family of quantum protocols A family of quantum protocols

2003-08-07

arxiv.org/abs/quant-ph/0308044v2

Phys. Rev. Lett. 93, 230504 (2004)

Physics

Quantum Physics

5 pages, 1 figure

Scientific paper

10.1103/PhysRevLett.93.230504

We introduce two dual, purely quantum protocols: for entanglement distillation assisted by quantum communication (``mother'' protocol) and for entanglement assisted quantum communication (``father'' protocol). We show how a large class of ``children'' protocols (including many previously known ones) can be derived from the two by direct application of teleportation or super-dense coding. Furthermore, the parent may be recovered from most of the children protocols by making them ``coherent''. We also summarize the various resource trade-offs these protocols give rise to.

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