Limits on the decay rate of quantum coherence and correlation

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Oi, Daniel K. L. and Schirmer, Sophie G. (2012) Limits on the decay rate of quantum coherence and correlation. Physical Review A, 86 (1). -. 012121. ISSN 1050-2947 (https://doi.org/10.1103/PhysRevA.86.012121)

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Abstract

The study and control of coherence in quantum systems is one of the most exciting recent developments in physics. Quantum coherence plays a crucial role in emerging quantum technologies as well as fundamental experiments. A major obstacle to the utilization of quantum effects is decoherence, primarily in the form of dephasing that destroys quantum coherence, and leads to effective classical behavior. We show that there are universal relationships governing dephasing that constrain the relative rates at which quantum correlations can disappear. These lead effectively to speed limits which become especially important in multipartite systems.

ORCID iDs

Oi, Daniel K. L. ORCID logoORCID: https://orcid.org/0000-0003-0965-9509 and Schirmer, Sophie G.;
  • Item type:Article
    ID code:41084
    Dates:
    Date
    Event
    26 July 2012
    Published
    Subjects:Science > Physics
    Department:Faculty of Science > Physics
    Depositing user: Pure Administrator
    Date deposited:11 Sep 2012 14:25
    Last modified:11 Nov 2024 10:13
    Related URLs:
    URI:https://strathprints.strath.ac.uk/id/eprint/41084
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