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Percolation of optical excitation mediated by near-field interactions
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2017 (Engelska)Ingår i: Physica A: Statistical Mechanics and its Applications, ISSN 0378-4371, Vol. 471, s. 162-168Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Optical excitation transfer in nanostructured matter has been intensively studied in various material systems for versatile applications. Herein, we theoretically and numerically discuss the percolation of optical excitations in randomly organized nanostructures caused by optical near-field interactions governed by Yukawa potential in a two-dimensional stochastic model. The model results demonstrate the appearance of two phases of percolation of optical excitation as a function of the localization degree of near-field interaction. Moreover, it indicates sublinear scaling with percolation distances when the light localization is strong. Furthermore, such a character is maximized at a particular size of environments. The results provide fundamental insights into optical excitation transfer and will facilitate the design and analysis of nanoscale signal-transfer characteristics.

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Elsevier, 2017. Vol. 471, s. 162-168
Nyckelord [en]
Optical excitation transfer, Optical near-field, Percolation, Yukawa potential
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URN: urn:nbn:se:kth:diva-200866DOI: 10.1016/j.physa.2016.12.019ISI: 000393733300017Scopus ID: 2-s2.0-85007408035OAI: oai:DiVA.org:kth-200866DiVA, id: diva2:1071104
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QC 20170203

Tillgänglig från: 2017-02-03 Skapad: 2017-02-03 Senast uppdaterad: 2017-03-27Bibliografiskt granskad

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Thylén, Lars
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Teoretisk kemi och biologi
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