On-demand entanglement generation using dynamic single-electron sources

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On-demand entanglement generation using dynamic single-electron sources. / Hofer, Patrick; Dasenbrook, David; Flindt, Christian.

In: PHYSICA STATUS SOLIDI B: BASIC SOLID STATE PHYSICS, Vol. 254, No. 3, 1600582, 01.03.2017.

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@article{16c25e27427b43e2a6bc9e76fcc3ff7e,
title = "On-demand entanglement generation using dynamic single-electron sources",
abstract = "We review our recent proposals for the on-demand generation of entangled few-electron states using dynamic single-electron sources. The generation of entanglement can be traced back to the single-electron entanglement produced by quantum point contacts (QPCs) acting as electronic beam splitters. The coherent partitioning of a single electron leads to entanglement between the two outgoing arms of the QPC. We describe our various approaches for generating and certifying entanglement in dynamic electronic conductors and we quantify the influence of detrimental effects such as finite electronic temperatures and other dephasing mechanisms. The prospects for future experiments are discussed and possible avenues for further developments are identified. (a) The coherent partitioning of a single electron on a QPC leads to entanglement between the outgoing arms. The entanglement can be detected using two copies of the state. (b) A time-bin entangled state is generated by partitioning two electrons on a QPC followed by projection onto the subspace with one electron in each arm. The two-electron entanglement is due to the entanglement of the individual single-electron states. In both panels, circles represent single-electron sources and squares represent detectors.",
keywords = "entanglement, Floquet scattering theory, Fluctuations, noise, single-electron sources",
author = "Patrick Hofer and David Dasenbrook and Christian Flindt",
year = "2017",
month = "3",
day = "1",
doi = "10.1002/pssb.201600582",
language = "English",
volume = "254",
journal = "PHYSICA STATUS SOLIDI B: BASIC SOLID STATE PHYSICS",
issn = "0370-1972",
publisher = "Akademie Verlag GMBH",
number = "3",

}

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TY - JOUR

T1 - On-demand entanglement generation using dynamic single-electron sources

AU - Hofer, Patrick

AU - Dasenbrook, David

AU - Flindt, Christian

PY - 2017/3/1

Y1 - 2017/3/1

N2 - We review our recent proposals for the on-demand generation of entangled few-electron states using dynamic single-electron sources. The generation of entanglement can be traced back to the single-electron entanglement produced by quantum point contacts (QPCs) acting as electronic beam splitters. The coherent partitioning of a single electron leads to entanglement between the two outgoing arms of the QPC. We describe our various approaches for generating and certifying entanglement in dynamic electronic conductors and we quantify the influence of detrimental effects such as finite electronic temperatures and other dephasing mechanisms. The prospects for future experiments are discussed and possible avenues for further developments are identified. (a) The coherent partitioning of a single electron on a QPC leads to entanglement between the outgoing arms. The entanglement can be detected using two copies of the state. (b) A time-bin entangled state is generated by partitioning two electrons on a QPC followed by projection onto the subspace with one electron in each arm. The two-electron entanglement is due to the entanglement of the individual single-electron states. In both panels, circles represent single-electron sources and squares represent detectors.

AB - We review our recent proposals for the on-demand generation of entangled few-electron states using dynamic single-electron sources. The generation of entanglement can be traced back to the single-electron entanglement produced by quantum point contacts (QPCs) acting as electronic beam splitters. The coherent partitioning of a single electron leads to entanglement between the two outgoing arms of the QPC. We describe our various approaches for generating and certifying entanglement in dynamic electronic conductors and we quantify the influence of detrimental effects such as finite electronic temperatures and other dephasing mechanisms. The prospects for future experiments are discussed and possible avenues for further developments are identified. (a) The coherent partitioning of a single electron on a QPC leads to entanglement between the outgoing arms. The entanglement can be detected using two copies of the state. (b) A time-bin entangled state is generated by partitioning two electrons on a QPC followed by projection onto the subspace with one electron in each arm. The two-electron entanglement is due to the entanglement of the individual single-electron states. In both panels, circles represent single-electron sources and squares represent detectors.

KW - entanglement

KW - Floquet scattering theory

KW - Fluctuations

KW - noise

KW - single-electron sources

UR - http://www.scopus.com/inward/record.url?scp=85008256403&partnerID=8YFLogxK

U2 - 10.1002/pssb.201600582

DO - 10.1002/pssb.201600582

M3 - Article

VL - 254

JO - PHYSICA STATUS SOLIDI B: BASIC SOLID STATE PHYSICS

JF - PHYSICA STATUS SOLIDI B: BASIC SOLID STATE PHYSICS

SN - 0370-1972

IS - 3

M1 - 1600582

ER -

ID: 13534781