Quantum telecloning and multiparticle entanglement
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🪐 quant-ph
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quantumentanglementinformationmultiparticlestatestelecloninganalyzedchannels
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A quantum telecloning process combining quantum teleportation and optimal quantum cloning from one input to M outputs is presented. The scheme relies on the establishment of particular multiparticle entangled states, which function as multiuser quantum information channels. The entanglement structure of these states is analyzed and shown to be crucial for this type of information processing.
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Multicopy quantum state teleportation with application to storage and retrieval of quantum programs
Maximal success probability for multicopy teleportation without receiver correction is p(d,k)=k/[d(k-1+d)], attained by explicit protocol using group representation theory, with application to enhanced quantum program...
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