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Entanglement Theory Quantum Correlations
Entanglement cost and distillable entanglement of symmetric states
arXiv
Authors: Keiji Matsumoto
Year
2007
Paper ID
49287
Status
Preprint
Abstract Read
~2 min
Abstract Words
79
Citations
N/A
Abstract
We compute entanglement cost and distillable entanglement of states supported on symmetric subspace. Not only giving general formula, we apply them to the output states of optimal cloning machines. Surprisingly, under some settings, the optimal n to m clone and true m copies are the same in entanglement measures. However, they differ in the error exponent of entanglement dilution. We also presented a general theory of entanglement dilution which is applicable to any non-i.i.d sequence of states.
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- This paper contributes to the Entanglement Theory & Quantum Correlations research area in the Quantum Articles archive.
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- We compute entanglement cost and distillable entanglement of states supported on symmetric subspace.
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