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Entanglement Theory Quantum Correlations

Information complementarity in multipartite quantum states and security in cryptography

arXiv
Authors: Anindita Bera, Asutosh Kumar, Debraj Rakshit, R. Prabhu, Aditi Sen De, Ujjwal Sen

Year

2015

Paper ID

27041

Status

Preprint

Abstract Read

~2 min

Abstract Words

88

Citations

N/A

Abstract

We derive complementarity relations for arbitrary quantum states of multiparty systems, of arbitrary number of parties and dimensions, between the purity of a part of the system and several correlation quantities, including entanglement and other quantum correlations as well as classical and total correlations, of that part with the remainder of the system. We subsequently use such a complementarity relation, between purity and quantum mutual information in the tripartite scenario, to provide a bound on the secret key rate for individual attacks on a quantum key distribution protocol.

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  • We derive complementarity relations for arbitrary quantum states of multiparty systems, of arbitrary number of parties and dimensions, between the purity of a part of the...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1509.07777 [2] arXiv https://arxiv.org/abs/1509.07777 [3] Publisher https://arxiv.org/abs/1509.07777

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