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Electron-phonon dynamics in an ensemble of nearly isolated nanoparticles
University of Georgia, Athens, USA. (Department of Physics and Astronomy)ORCID iD: 0000-0002-2799-3490
University of Georgia, Athens, USA. (Department of Physics and Astronomy)
2001 (English)In: Physical Review B. Condensed Matter and Materials Physics, ISSN 1098-0121, E-ISSN 1550-235X, Vol. 64, 115412-1-115412-5 p.Article in journal (Refereed) Published
Abstract [en]

We investigate the electron population dynamics in an ensemble of nearly isolated insulating nanoparticles, each nanoparticle modeled as an electronic two-level system coupled to a single vibrational mode. We find that at short times the ensemble-averaged excited-state population oscillates but has a decaying envelope. At long times, the oscillations become purely sinusoidal about a “plateau” population, with a frequency determined by the electron-phonon interaction strength and with an envelope that decays algebraically as t-1/2. We use this theory to predict electron-phonon dynamics in an ensemble of Y2O3:Eu3+ nanoparticles.

Place, publisher, year, edition, pages
American Physical Society , 2001. Vol. 64, 115412-1-115412-5 p.
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:liu:diva-94193DOI: 10.1103/PhysRevB.64.115412OAI: oai:DiVA.org:liu-94193DiVA: diva2:630182
Available from: 2013-06-18 Created: 2013-06-18 Last updated: 2017-12-06Bibliographically approved

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Simon, Daniel

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
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  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
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