Non-Perturbative Treatment of Open-System Multi-Time Expectation Values in Gaussian Bosonic Environments Article Swipe
Andrea Smirne
,
Dario Tamascelli
,
James Lim
,
Martin B. Plenio
,
Susana F. Huelga
·
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.1142/s1230161222500196
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.1142/s1230161222500196
We determine the conditions for the equivalence between the multi-time expectation values of a general finite-dimensional open quantum system when interacting with, respectively, an environment undergoing a free unitary evolution or a discrete environment under a free evolution fixed by a proper Gorini-Kossakowski-Lindblad-Sudarshan generator. We prove that the equivalence holds if both environments are bosonic and Gaussian and if the one- and two-time correlation functions of the corresponding interaction operators are the same at all times. This result leads to a non-perturbative evaluation of the multi-time expectation values of operators and maps of open quantum systems interacting with a continuous set of bosonic modes by means of a limited number of damped modes, thus setting the ground for the investigation of open-system multi-time quantities in fully general regimes.
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- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1142/s1230161222500196
- OA Status
- green
- Cited By
- 7
- References
- 46
- Related Works
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- OpenAlex ID
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https://doi.org/10.1142/s1230161222500196Digital Object Identifier
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Non-Perturbative Treatment of Open-System Multi-Time Expectation Values in Gaussian Bosonic EnvironmentsWork title
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2022Year of publication
- Publication date
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2022-12-01Full publication date if available
- Authors
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Andrea Smirne, Dario Tamascelli, James Lim, Martin B. Plenio, Susana F. HuelgaList of authors in order
- Landing page
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https://doi.org/10.1142/s1230161222500196Publisher landing page
- Open access
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YesWhether a free full text is available
- OA status
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greenOpen access status per OpenAlex
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https://hdl.handle.net/2434/954122Direct OA link when available
- Concepts
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Unitary state, Equivalence (formal languages), Gaussian, Time evolution, Statistical physics, Quantum, Quantum system, Physics, Open system (computing), Mathematics, Quantum mechanics, Pure mathematics, Computer science, Law, Programming language, Political science, SoftwareTop concepts (fields/topics) attached by OpenAlex
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7Total citation count in OpenAlex
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2025: 1, 2024: 3, 2023: 3Per-year citation counts (last 5 years)
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