Coherent control of multipartite entanglement

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Quantum entanglement between an arbitrary number of remote qubits is examined analytically. We show that there is a nonprobabilistic way to address in one context the management of entanglement of an arbitrary number of mixed-state qubits by engaging quantitative measures of entanglement and a specific external control mechanism. Both all-party entanglement and weak inseparability are considered. We show that for N≥4, the death of all-party entanglement is permanent after an initial collapse. In contrast, weak inseparability can be deterministically managed for an arbitrarily large number of qubits almost indefinitely. Our result suggests a picture of the path that the system traverses in the Hilbert space.

Original languageEnglish (US)
Article number012313
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume91
Issue number1
DOIs
StatePublished - Jan 12 2015
Externally publishedYes

Fingerprint

Hilbert space
death

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Coherent control of multipartite entanglement. / Hashemi Rafsanjani, Seyed Mohammad; Eberly, Joseph H.

In: Physical Review A - Atomic, Molecular, and Optical Physics, Vol. 91, No. 1, 012313, 12.01.2015.

Research output: Contribution to journalArticle

@article{972a13e5e8a04cca832a9d011c121fa4,
title = "Coherent control of multipartite entanglement",
abstract = "Quantum entanglement between an arbitrary number of remote qubits is examined analytically. We show that there is a nonprobabilistic way to address in one context the management of entanglement of an arbitrary number of mixed-state qubits by engaging quantitative measures of entanglement and a specific external control mechanism. Both all-party entanglement and weak inseparability are considered. We show that for N≥4, the death of all-party entanglement is permanent after an initial collapse. In contrast, weak inseparability can be deterministically managed for an arbitrarily large number of qubits almost indefinitely. Our result suggests a picture of the path that the system traverses in the Hilbert space.",
author = "{Hashemi Rafsanjani}, {Seyed Mohammad} and Eberly, {Joseph H.}",
year = "2015",
month = "1",
day = "12",
doi = "10.1103/PhysRevA.91.012313",
language = "English (US)",
volume = "91",
journal = "Physical Review A",
issn = "2469-9926",
publisher = "American Physical Society",
number = "1",

}

TY - JOUR

T1 - Coherent control of multipartite entanglement

AU - Hashemi Rafsanjani, Seyed Mohammad

AU - Eberly, Joseph H.

PY - 2015/1/12

Y1 - 2015/1/12

N2 - Quantum entanglement between an arbitrary number of remote qubits is examined analytically. We show that there is a nonprobabilistic way to address in one context the management of entanglement of an arbitrary number of mixed-state qubits by engaging quantitative measures of entanglement and a specific external control mechanism. Both all-party entanglement and weak inseparability are considered. We show that for N≥4, the death of all-party entanglement is permanent after an initial collapse. In contrast, weak inseparability can be deterministically managed for an arbitrarily large number of qubits almost indefinitely. Our result suggests a picture of the path that the system traverses in the Hilbert space.

AB - Quantum entanglement between an arbitrary number of remote qubits is examined analytically. We show that there is a nonprobabilistic way to address in one context the management of entanglement of an arbitrary number of mixed-state qubits by engaging quantitative measures of entanglement and a specific external control mechanism. Both all-party entanglement and weak inseparability are considered. We show that for N≥4, the death of all-party entanglement is permanent after an initial collapse. In contrast, weak inseparability can be deterministically managed for an arbitrarily large number of qubits almost indefinitely. Our result suggests a picture of the path that the system traverses in the Hilbert space.

UR - http://www.scopus.com/inward/record.url?scp=84921329871&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84921329871&partnerID=8YFLogxK

U2 - 10.1103/PhysRevA.91.012313

DO - 10.1103/PhysRevA.91.012313

M3 - Article

AN - SCOPUS:84921329871

VL - 91

JO - Physical Review A

JF - Physical Review A

SN - 2469-9926

IS - 1

M1 - 012313

ER -