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Biseparability of noisy pseudopure, W and GHZ states using conditional quantum relative Tsallis entropy
Authors
A.S. Nayak
A.K. Rajagopal
. Sudha
A.R. Usha Devi
Publication date
1 February 2017
Publisher
'Springer Science and Business Media LLC'
Doi
Cite
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-likeN-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 separability in the 1 : N- 1 partition of these one parameter noisy states. © 2017, Springer Science+Business Media New York
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Last time updated on 11/07/2018