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Non-Markovian noise that cannot be dynamically decoupled by periodic spin echo pulses

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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Non-Markovian noise that cannot be dynamically decoupled by periodic spin echo pulses. / Burgarth, Daniel; Facchi, Paolo; Fraas, Martin et al.
In: SciPost Physics, Vol. 11, 027, 10.08.2021.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Burgarth, D, Facchi, P, Fraas, M & Hillier, R 2021, 'Non-Markovian noise that cannot be dynamically decoupled by periodic spin echo pulses', SciPost Physics, vol. 11, 027. https://doi.org/10.21468/SciPostPhys.11.2.027

APA

Burgarth, D., Facchi, P., Fraas, M., & Hillier, R. (2021). Non-Markovian noise that cannot be dynamically decoupled by periodic spin echo pulses. SciPost Physics, 11, Article 027. https://doi.org/10.21468/SciPostPhys.11.2.027

Vancouver

Burgarth D, Facchi P, Fraas M, Hillier R. Non-Markovian noise that cannot be dynamically decoupled by periodic spin echo pulses. SciPost Physics. 2021 Aug 10;11:027. doi: 10.21468/SciPostPhys.11.2.027

Author

Burgarth, Daniel ; Facchi, Paolo ; Fraas, Martin et al. / Non-Markovian noise that cannot be dynamically decoupled by periodic spin echo pulses. In: SciPost Physics. 2021 ; Vol. 11.

Bibtex

@article{894fae17e8c7493b9c9cb24f2c32bcca,
title = "Non-Markovian noise that cannot be dynamically decoupled by periodic spin echo pulses",
abstract = "Dynamical decoupling is the leading technique to remove unwanted interactions in a vast range of quantum systems through fast rotations. But what determines the time-scale of such rotations in order to achieve good decoupling? By providing an explicit counterexample of a qubit coupled to a charged particle and magnetic monopole, we show that such time-scales cannot be decided by the decay profile induced by the noise: even though the system shows a quadratic decay (a Zeno region revealing non-Markovian noise), it cannot be decoupled by periodic spin echo pulses, no matter how fast the rotations.",
author = "Daniel Burgarth and Paolo Facchi and Martin Fraas and Robin Hillier",
year = "2021",
month = aug,
day = "10",
doi = "10.21468/SciPostPhys.11.2.027",
language = "English",
volume = "11",
journal = "SciPost Physics",
issn = "2542-4653",
publisher = "SciPost Foundation",

}

RIS

TY - JOUR

T1 - Non-Markovian noise that cannot be dynamically decoupled by periodic spin echo pulses

AU - Burgarth, Daniel

AU - Facchi, Paolo

AU - Fraas, Martin

AU - Hillier, Robin

PY - 2021/8/10

Y1 - 2021/8/10

N2 - Dynamical decoupling is the leading technique to remove unwanted interactions in a vast range of quantum systems through fast rotations. But what determines the time-scale of such rotations in order to achieve good decoupling? By providing an explicit counterexample of a qubit coupled to a charged particle and magnetic monopole, we show that such time-scales cannot be decided by the decay profile induced by the noise: even though the system shows a quadratic decay (a Zeno region revealing non-Markovian noise), it cannot be decoupled by periodic spin echo pulses, no matter how fast the rotations.

AB - Dynamical decoupling is the leading technique to remove unwanted interactions in a vast range of quantum systems through fast rotations. But what determines the time-scale of such rotations in order to achieve good decoupling? By providing an explicit counterexample of a qubit coupled to a charged particle and magnetic monopole, we show that such time-scales cannot be decided by the decay profile induced by the noise: even though the system shows a quadratic decay (a Zeno region revealing non-Markovian noise), it cannot be decoupled by periodic spin echo pulses, no matter how fast the rotations.

U2 - 10.21468/SciPostPhys.11.2.027

DO - 10.21468/SciPostPhys.11.2.027

M3 - Journal article

VL - 11

JO - SciPost Physics

JF - SciPost Physics

SN - 2542-4653

M1 - 027

ER -