Ghosh, Sibasish ; Kar, Guruprasad ; Sen(De), Aditi ; Sen, Ujjwal (2001) Mixedness in the Bell violation versus entanglement of formation Physical Review A, 64 (4).
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Official URL: https://doi.org/10.1103%2Fphysreva.64.044301
Abstract
Recently Munro, Nemoto and White (The Bell Inequality: A measure of Entanglement?, quant-ph/0102119) tried to indicate that the reason behind a state rho having higher amount of entanglement (as quantified by the entanglement of formation) than a state eta, but producing the same amount of Bell-violation, is due to the fact that the amount of mixedness (as quantified by the linearised entropy) in rho is higher than that in eta. We counter their argument with examples. We extend these considerations to the von Neumann entropy. Our results suggest that the reason as to why equal amount of Bell-violation requires different amounts of entanglement cannot, at least, be explained by mixedness alone.
Item Type: | Article |
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Source: | Copyright of this article belongs to arXiv License Information |
ID Code: | 125940 |
Deposited On: | 13 Oct 2022 03:59 |
Last Modified: | 13 Oct 2022 04:02 |
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