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Cited by 172Quantum Information and CryptographyQuantum Mechanics and ApplicationsAdvanced Thermodynamics and Statistical Mechanics

The DOI matches its Crossref record; 33 of the 33 references it cites were found in a registry or an index.

Non-Markovianity of local dephasing channels and time-invariant discord

Haikka, P., Johnson, T. H., Maniscalco, S.·2013·Physical Review A
DOI 10.1103/physreva.87.010103
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Abstract

We study non-Markovianity and information flow for qubits experiencing local dephasing with an Ohmic class spectrum. We demonstrate the existence of a temperature-dependent critical value of the Ohmicity parameter $s$ for the onset of non-Markovianity and give a physical interpretation of this phenomenon by linking it to the form of the reservoir spectrum. We demonstrate that this link holds also for more general spectra. We unveil a class of initial states for which discord is forever frozen at a positive value. We connect time-invariant discord to non-Markovianity and propose a physical system in which it could be observed.

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Crossref · 10.1103/physreva.87.010103

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Metadata

Authors
Haikka, P., Johnson, T. H., & Maniscalco, S.
Affiliations
  • University of Turku (FI)
  • University of Oxford (GB)
ORCID
Venue
Physical Review A
Publisher
American Physical Society (APS)
Published
2013-01-24
Volume
87
Issue
1
ISSN
  • 0556-2791 (ISSN-L)
  • 1050-2947
  • 1094-1622
DOI
10.1103/physreva.87.010103
OpenAlex
W2320666705
Cited by
172
References
33
Citations by year
2026: 4 · 2025: 14 · 2024: 4 · 2023: 8 · 2022: 9 · 2021: 10 · 2020: 9 · 2019: 12 · 2018: 14 · 2017: 28 · 2016: 17 · 2015: 18 · 2014: 16 · 2013: 9
FWCI
22.12
Type
journal article
Language
en
Open access
closed
Licence
link.aps.org/licenses/aps-default-license (vor)
Locations
Physical Review A (publishedVersion)
Funders
Engineering and Physical Sciences Research Council (EP/J016349/1)
Topics
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Quantum Information and Cryptography
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Quantum Mechanics and Applications
  • Physical Sciences › Physics and Astronomy › Statistical and Nonlinear Physics › Advanced Thermodynamics and Statistical Mechanics
Keywords
non-Markovianity, local dephasing, Ohmic bath, quantum discord, qubits, information flow, temperature dependence

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