Cited by 79Quantum Mechanics and ApplicationsQuantum Information and CryptographyAdvanced Thermodynamics and Statistical Mechanics

Quantum-speed-limit bounds in an open quantum evolution

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Mirkin, Nicolás, Toscano, Fabricio, Wisniacki, Diego A.·2016·Physical Review A

Abstract

Quantum mechanics dictates bounds for the minimal evolution time between predetermined initial and final states. Several of these quantum-speed-limit (QSL) bounds were derived for nonunitary dynamics using different approaches. Here, we perform a systematic analysis of the most common QSL bounds in the damped Jaynes-Cummings model, covering the Markovian and non-Markovian regimes. We show that only one of the analyzed bounds cleaves to the essence of the QSL theory outlined in the pioneer works of Mandelstam and Tamm and of Margolus and Levitin in the context of unitary evolutions. We also show that all QSL bounds analyzed reflect the fact that in our model non-Markovian effects speed up quantum evolution. However, it is not possible to infer Markovian or non-Markovian behavior of the dynamics by analyzing only the QSL bounds.

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Crossref · 10.1103/physreva.94.052125

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  • Bounds that only involve the evaluation of the overlap tr[ρσ], including the one introduced here, are much easier to compute and measure.

    “In contrast, the bounds that only involve the evaluation of the overlap tr[ρσ] [49][50][51], including the one that we introduce here, are much easier to compute and measure [31,52,53].”

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Research works printed but not linked: 4

  1. M. Schosshauer, Decoherence and Quantum to Classical Tran- sition (Springer, Berlin, 2007).
  2. L. Mandelstam and I. Tamm, J. Phys. USSR 9, 249 (1945).
  3. J. Jing, L. A. Wu, and A. del Campo, arXiv:1510.01106. · arXiv
  4. L. Ferro, P. Facchi, R. Fazio, F. Illuminati, G. Marmo, V. Vedral, and S. Pascazio, arXiv:1501.03099v1. · arXiv

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Authors
Mirkin, N., Toscano, F., & Wisniacki, D. A.
Affiliations
Universidad de Buenos Aires (AR)
Venue
Physical Review A
Published
2016-11-22
Volume
94
Issue
5
ISSN
  • 0556-2791 (ISSN-L)
  • 2469-9926
  • 2469-9934
OpenAlex
W2518726554
Cited by
79
References
26
Citations by year
2026: 3 · 2025: 12 · 2024: 8 · 2023: 4 · 2022: 12 · 2021: 8 · 2020: 13 · 2019: 9 · 2018: 5 · 2017: 5
FWCI
2.99
Type
journal article
Language
en
Open access
Locations
  • Physical Review A (publishedVersion)
  • arXiv (Cornell University) (submittedVersion)
  • CONICET Digital (CONICET) (submittedVersion, cc-by-nc-sa)
  • arXiv (Cornell University)
Funders
  • Conselho Nacional de Desenvolvimento Científico e Tecnológico
  • Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
  • Consejo Nacional de Investigaciones Científicas y Técnicas
  • Agencia Nacional de Promoción Científica y Tecnológica
Topics
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Quantum Mechanics and Applications
  • Physical Sciences › Computer Science › Artificial Intelligence › Quantum Information and Cryptography
  • Physical Sciences › Physics and Astronomy › Statistical and Nonlinear Physics › Advanced Thermodynamics and Statistical Mechanics
Keywords
quantum speed limit, open quantum systems, non-Markovian dynamics, Markovian dynamics, non-unitary dynamics

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