Quantumness and entanglement witnesses

Paolo Facchi; Saverio Pascazio; Vlatko Vedral; Kazuya Yuasa

doi:10.1088/1751-8113/45/10/105302

Quantumness and entanglement witnesses

Paolo Facchi^*, Saverio Pascazio, Vlatko Vedral, Kazuya Yuasa

^*Corresponding author for this work

School of Advanced Science and Engineering

Research output: Contribution to journal › Article › peer-review

12 Citations (Scopus)

Abstract

We analyze the recently introduced notion of quantumness witnesses and compare it to that of entanglement witnesses. We show that any entanglement witness is also a quantumness witness. We then consider some physically relevant examples and explicitly construct some witnesses.

Original language	English
Article number	105302
Journal	Journal of Physics A: Mathematical and Theoretical
Volume	45
Issue number	10
DOIs	https://doi.org/10.1088/1751-8113/45/10/105302
Publication status	Published - 2012 Mar 16

ASJC Scopus subject areas

Statistical and Nonlinear Physics
Statistics and Probability
Modelling and Simulation
Mathematical Physics
Physics and Astronomy(all)

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10.1088/1751-8113/45/10/105302

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title = "Quantumness and entanglement witnesses",

abstract = "We analyze the recently introduced notion of quantumness witnesses and compare it to that of entanglement witnesses. We show that any entanglement witness is also a quantumness witness. We then consider some physically relevant examples and explicitly construct some witnesses.",

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AU - Facchi, Paolo

AU - Pascazio, Saverio

AU - Vedral, Vlatko

AU - Yuasa, Kazuya

PY - 2012/3/16

Y1 - 2012/3/16

N2 - We analyze the recently introduced notion of quantumness witnesses and compare it to that of entanglement witnesses. We show that any entanglement witness is also a quantumness witness. We then consider some physically relevant examples and explicitly construct some witnesses.

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DO - 10.1088/1751-8113/45/10/105302

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JO - Journal of Physics A: Mathematical and Theoretical

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Quantumness and entanglement witnesses

Abstract

ASJC Scopus subject areas

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