Generalized spectroscopy : coherence, superposition, and loss

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Aberg, Johan and Oi, Daniel K.L. (2007) Generalized spectroscopy : coherence, superposition, and loss. arXiv.org. 0703203. (https://arxiv.org/abs/quant-ph/0703203v1)

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Abstract

We analyze single particle coherence and interference in the presence of particle loss and derive an inequality that relates the preservation of coherence, the creation of superposition with the vacuum, and the degree of particle loss. We find that loss channels constructed using linear optics form a special subclass. We suggests a generalized spectroscopy where, in analogy with the absorption spectrum, we measure a "coherence loss spectrum" and a "superposition creation spectrum". The theory is illustrated with examples.

ORCID iDs

Aberg, Johan and Oi, Daniel K.L. ORCID logoORCID: https://orcid.org/0000-0003-0965-9509;
  • Item type:Article
    ID code:6214
    Dates:
    Date
    Event
    22 March 2007
    Published
    Subjects:Science > Physics > Optics. Light
    Department:Faculty of Science > Physics
    Depositing user: Miss Darcy Spiller
    Date deposited:02 Jun 2008
    Last modified:11 Nov 2024 08:52
    URI:https://strathprints.strath.ac.uk/id/eprint/6214
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