Reply to "comment on 'How to observe and quantify quantum-discord states via correlations' "

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Reply to "comment on 'How to observe and quantify quantum-discord states via correlations' ". / Hunt, Matthew A.; Lerner, Igor V.; Yurkevich, Igor V.; Gefen, Yuval.

In: Physical Review A, Vol. 102, No. 1, 016402, 07.2020.

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@article{cf5c4a7fbd094fb5a2a517667a271331,
title = "Reply to {"}comment on 'How to observe and quantify quantum-discord states via correlations' {"}",
abstract = "The authors of the preceding Comment [Kumar and Snizhko, Phys. Rev. A 102, 016401 (2020)10.1103/PhysRevA.102.016401] made two critical remarks regarding the protocol for detecting and quantifying quantumness of separable states presented in our paper [Hunt, Phys. Rev. A 100, 022321 (2019)2469-992610.1103/PhysRevA.100.022321]. One is that our protocol is not {"}experiment friendly{"}in comparison to full quantum state tomography. The other is that the suggested quantifier fails to distinguish different degrees of quantumness within the family of Werner states. We will show that, while being technically correct, both remarks referred to generalizations of our protocol which had been neither suggested nor intended. We will reiterate why the proposed protocol would be advantageous, compared to full or partial quantum state tomography, for detecting and quantifying discord in many-body bipartite states. ",
author = "Hunt, {Matthew A.} and Lerner, {Igor V.} and Yurkevich, {Igor V.} and Yuval Gefen",
year = "2020",
month = jul,
doi = "10.1103/PhysRevA.102.016402",
language = "English",
volume = "102",
journal = "Physical Review A",
issn = "1050-2947",
publisher = "American Physical Society (APS)",
number = "1",

}

RIS

TY - JOUR

T1 - Reply to "comment on 'How to observe and quantify quantum-discord states via correlations' "

AU - Hunt, Matthew A.

AU - Lerner, Igor V.

AU - Yurkevich, Igor V.

AU - Gefen, Yuval

PY - 2020/7

Y1 - 2020/7

N2 - The authors of the preceding Comment [Kumar and Snizhko, Phys. Rev. A 102, 016401 (2020)10.1103/PhysRevA.102.016401] made two critical remarks regarding the protocol for detecting and quantifying quantumness of separable states presented in our paper [Hunt, Phys. Rev. A 100, 022321 (2019)2469-992610.1103/PhysRevA.100.022321]. One is that our protocol is not "experiment friendly"in comparison to full quantum state tomography. The other is that the suggested quantifier fails to distinguish different degrees of quantumness within the family of Werner states. We will show that, while being technically correct, both remarks referred to generalizations of our protocol which had been neither suggested nor intended. We will reiterate why the proposed protocol would be advantageous, compared to full or partial quantum state tomography, for detecting and quantifying discord in many-body bipartite states.

AB - The authors of the preceding Comment [Kumar and Snizhko, Phys. Rev. A 102, 016401 (2020)10.1103/PhysRevA.102.016401] made two critical remarks regarding the protocol for detecting and quantifying quantumness of separable states presented in our paper [Hunt, Phys. Rev. A 100, 022321 (2019)2469-992610.1103/PhysRevA.100.022321]. One is that our protocol is not "experiment friendly"in comparison to full quantum state tomography. The other is that the suggested quantifier fails to distinguish different degrees of quantumness within the family of Werner states. We will show that, while being technically correct, both remarks referred to generalizations of our protocol which had been neither suggested nor intended. We will reiterate why the proposed protocol would be advantageous, compared to full or partial quantum state tomography, for detecting and quantifying discord in many-body bipartite states.

UR - http://www.scopus.com/inward/record.url?scp=85089270605&partnerID=8YFLogxK

U2 - 10.1103/PhysRevA.102.016402

DO - 10.1103/PhysRevA.102.016402

M3 - Article

AN - SCOPUS:85089270605

VL - 102

JO - Physical Review A

JF - Physical Review A

SN - 1050-2947

IS - 1

M1 - 016402

ER -