0308044v2

related topics
{information, entropy, channel}
{key, protocol, security}
{alice, bob, state}
{entanglement, phys, rev}
{qubit, qubits, gate}
{state, states, entangled}
{state, states, coherent}
{error, code, errors}

A family of quantum protocols

I. Devetak, A. W. Harrow, A. Winter

abstract: 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.

oai_identifier:
oai:arXiv.org:quant-ph/0308044
categories:
quant-ph
comments:
5 pages, 1 figure
doi:
10.1103/PhysRevLett.93.230504
arxiv_id:
quant-ph/0308044
journal_ref:
Phys. Rev. Lett. 93, 230504 (2004)
created:
2003-08-07
updated:
2005-12-01

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