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Open Quantum Systems Decoherence Entanglement Theory Quantum Correlations Quantum Entropy Information Measures

Biseparability of noisy pseudopure, W and GHZ states using conditional quantum relative Tsallis entropy

arXiv
Authors: Anantha S Nayak, Sudha, A. R. Usha Devi, A. K. Rajagopal

Year

2016

Paper ID

43372

Status

Preprint

Abstract Read

~2 min

Abstract Words

66

Citations

N/A

Abstract

We employ the conditional version of sandwiched Tsallis relative entropy to determine 1:N-1 separability range in the noisy one-parameter families of pseudopure and Werner-like N-qubit W, GHZ states. The range of the noisy parameter, for which the conditional sandwiched Tsallis relative entropy is positive, reveals perfect agreement with the necessary and sufficient criteria for the separability in the 1:N-1 partition of these one parameter noisy states.

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  • We employ the conditional version of sandwiched Tsallis relative entropy to determine 1:N-1 separability range in the noisy one-parameter families of pseudopure and Werner-like...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1609.07611 [2] arXiv https://arxiv.org/abs/1609.07611 [3] Publisher https://arxiv.org/abs/1609.07611

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