Nature Physics, volume 18, issue 6, pages 662-668
Simulation of open quantum systems by automated compression of arbitrary environments
Cygorek M.
1
,
Cosacchi Michael
2
,
Vagov A.
2, 3
,
Axt Vollrath Martin
2
,
Lovett B. W.
4
,
Keeling Jonathan W.
4
,
4
SUPA, School of Physics and Astronomy, University of St Andrews, St Andrews, UK
|
Publication type: Journal Article
Publication date: 2022-03-24
General Physics and Astronomy
Abstract
Studies of the dynamics of open quantum systems are limited by the large Hilbert space of typical environments, which is too large to be treated exactly. In some cases, approximate descriptions of the system are possible, for example, when the environment has a short memory time or only interacts weakly with the system. Accurate numerical methods exist, but these are typically restricted to baths with Gaussian correlations, such as non-interacting bosons. Here we present a method for simulating open quantum systems with arbitrary environments that consist of a set of independent degrees of freedom. Our approach automatically reduces the large number of environmental degrees of freedom to those which are most relevant. Specifically, we show how the process tensor describing the effect of the environment can be iteratively constructed and compressed using matrix product state techniques. We demonstrate the power of this method by applying it to a range of open quantum systems, including bosonic, fermionic and spin environments. The versatility and efficiency of our automated compression of environments method provides a practical general-purpose tool for open quantum systems. It is difficult to analyse open quantum systems because an accurate description of their environments becomes intractably large. A method that automatically identifies an efficient representation provides a flexible approach to numerical simulations.
Citations by journals
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1
2
3
4
5
6
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Physical Review Letters
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Physical Review Letters
6 publications, 17.14%
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Physical Review B
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Physical Review B
5 publications, 14.29%
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Physical Review Research
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Physical Review Research
5 publications, 14.29%
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Journal of Chemical Physics
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Journal of Chemical Physics
3 publications, 8.57%
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PRX Quantum
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PRX Quantum
2 publications, 5.71%
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Physical Review A
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Physical Review A
2 publications, 5.71%
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Advanced Quantum Technologies
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Advanced Quantum Technologies
2 publications, 5.71%
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Nature Reviews Physics
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Nature Reviews Physics
1 publication, 2.86%
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Chemical Papers
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Chemical Papers
1 publication, 2.86%
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ACS Photonics
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ACS Photonics
1 publication, 2.86%
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Quantum
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Quantum, 1, 2.86%
Quantum
1 publication, 2.86%
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Nanophotonics
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Nanophotonics
1 publication, 2.86%
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New Journal of Physics
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New Journal of Physics
1 publication, 2.86%
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APL Photonics
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APL Photonics
1 publication, 2.86%
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Nano Letters
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Nano Letters
1 publication, 2.86%
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Optica Quantum
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Optica Quantum
1 publication, 2.86%
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Physical Review X
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Physical Review X
1 publication, 2.86%
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1
2
3
4
5
6
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Citations by publishers
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5
10
15
20
25
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American Physical Society (APS)
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American Physical Society (APS)
21 publications, 60%
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American Institute of Physics (AIP)
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American Institute of Physics (AIP)
4 publications, 11.43%
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Springer Nature
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Springer Nature
2 publications, 5.71%
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American Chemical Society (ACS)
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American Chemical Society (ACS)
2 publications, 5.71%
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Wiley
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Wiley
2 publications, 5.71%
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Verein zur Forderung des Open Access Publizierens in den Quantenwissenschaften
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Verein zur Forderung des Open Access Publizierens in den Quantenwissenschaften, 1, 2.86%
Verein zur Forderung des Open Access Publizierens in den Quantenwissenschaften
1 publication, 2.86%
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Walter de Gruyter
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Walter de Gruyter
1 publication, 2.86%
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IOP Publishing
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IOP Publishing
1 publication, 2.86%
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Optical Society of America
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Optical Society of America
1 publication, 2.86%
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5
10
15
20
25
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- We do not take into account publications that without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Cygorek M. et al. Simulation of open quantum systems by automated compression of arbitrary environments // Nature Physics. 2022. Vol. 18. No. 6. pp. 662-668.
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Cygorek M., Cosacchi M., Vagov A., Axt V. M., Lovett B. W., Keeling J. W., Gauger E. M. Simulation of open quantum systems by automated compression of arbitrary environments // Nature Physics. 2022. Vol. 18. No. 6. pp. 662-668.
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TY - JOUR
DO - 10.1038/s41567-022-01544-9
UR - https://doi.org/10.1038%2Fs41567-022-01544-9
TI - Simulation of open quantum systems by automated compression of arbitrary environments
T2 - Nature Physics
AU - Cygorek, M.
AU - Cosacchi, Michael
AU - Vagov, A.
AU - Axt, Vollrath Martin
AU - Lovett, B. W.
AU - Keeling, Jonathan W.
AU - Gauger, Erik M.
PY - 2022
DA - 2022/03/24 00:00:00
PB - Springer Nature
SP - 662-668
IS - 6
VL - 18
SN - 1745-2473
ER -
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@article{2022_Cygorek,
author = {M. Cygorek and Michael Cosacchi and A. Vagov and Vollrath Martin Axt and B. W. Lovett and Jonathan W. Keeling and Erik M. Gauger},
title = {Simulation of open quantum systems by automated compression of arbitrary environments},
journal = {Nature Physics},
year = {2022},
volume = {18},
publisher = {Springer Nature},
month = {mar},
url = {https://doi.org/10.1038%2Fs41567-022-01544-9},
number = {6},
pages = {662--668},
doi = {10.1038/s41567-022-01544-9}
}
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Cygorek, M., et al. “Simulation of open quantum systems by automated compression of arbitrary environments.” Nature Physics, vol. 18, no. 6, Mar. 2022, pp. 662-668. https://doi.org/10.1038%2Fs41567-022-01544-9.
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