All unital qubit channels are 4-noisy operations

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Standard

All unital qubit channels are 4-noisy operations. / Müller-Hermes, Alexander; Perry, Christopher.

I: Letters in Mathematical Physics, Bind 109, Nr. 1, 2019, s. 1-9.

Publikation: Bidrag til tidsskriftTidsskriftartikelfagfællebedømt

Harvard

Müller-Hermes, A & Perry, C 2019, 'All unital qubit channels are 4-noisy operations', Letters in Mathematical Physics, bind 109, nr. 1, s. 1-9. https://doi.org/10.1007/s11005-018-1104-x

APA

Müller-Hermes, A., & Perry, C. (2019). All unital qubit channels are 4-noisy operations. Letters in Mathematical Physics, 109(1), 1-9. https://doi.org/10.1007/s11005-018-1104-x

Vancouver

Müller-Hermes A, Perry C. All unital qubit channels are 4-noisy operations. Letters in Mathematical Physics. 2019;109(1):1-9. https://doi.org/10.1007/s11005-018-1104-x

Author

Müller-Hermes, Alexander ; Perry, Christopher. / All unital qubit channels are 4-noisy operations. I: Letters in Mathematical Physics. 2019 ; Bind 109, Nr. 1. s. 1-9.

Bibtex

@article{82586157b24f4aa7a523e02e74f8fddf,
title = "All unital qubit channels are 4-noisy operations",
abstract = "We show that any unital qubit channel can be implemented by letting the input system interact unitarily with a four-dimensional environment in the maximally mixed state and then tracing out the environment. We also provide an example where the dimension of such an environment has to be at least 3.",
keywords = "Factorizable maps, Noisy operations, Open quantum systems, Operator Schmidt rank, Quantum channels",
author = "Alexander M{\"u}ller-Hermes and Christopher Perry",
year = "2019",
doi = "10.1007/s11005-018-1104-x",
language = "English",
volume = "109",
pages = "1--9",
journal = "Letters in Mathematical Physics",
issn = "0377-9017",
publisher = "Springer",
number = "1",

}

RIS

TY - JOUR

T1 - All unital qubit channels are 4-noisy operations

AU - Müller-Hermes, Alexander

AU - Perry, Christopher

PY - 2019

Y1 - 2019

N2 - We show that any unital qubit channel can be implemented by letting the input system interact unitarily with a four-dimensional environment in the maximally mixed state and then tracing out the environment. We also provide an example where the dimension of such an environment has to be at least 3.

AB - We show that any unital qubit channel can be implemented by letting the input system interact unitarily with a four-dimensional environment in the maximally mixed state and then tracing out the environment. We also provide an example where the dimension of such an environment has to be at least 3.

KW - Factorizable maps

KW - Noisy operations

KW - Open quantum systems

KW - Operator Schmidt rank

KW - Quantum channels

UR - http://www.scopus.com/inward/record.url?scp=85048130378&partnerID=8YFLogxK

U2 - 10.1007/s11005-018-1104-x

DO - 10.1007/s11005-018-1104-x

M3 - Journal article

VL - 109

SP - 1

EP - 9

JO - Letters in Mathematical Physics

JF - Letters in Mathematical Physics

SN - 0377-9017

IS - 1

ER -

ID: 198652987