#### Condensed Matter Theory

### Philippe Ben-Abdallah et.al.: Heat Superdiffusion in Plasmonic Nanostructure Networks

**Author(s)**:**Philippe Ben-Abdallah, Riccardo Messina, Svend-Age Biehs, Maria Tschikin, Karl Joulain, Carsten Henkel****Title**:**Date of Upload**: 2013-10-24
**Article**:**Phys. Rev. Lett. 111, 174301 (2013), American Physical Society****Keywords**: superdiffusive regime, plasmonic networks, Levy flight**PACS**: 44.05.+e, 12.20.-m, 44.40.+a, 78.67.-n**Abstract**:- The heat transport mediated by near-field interactions in networks of plasmonic nanostructures is shown to be analogous to a generalized random walk process. The existence of superdiffusive regimes is demonstrated both in linear ordered chains and in three-dimensional random networks by analyzing the asymptotic behavior of the corresponding probability distribution function. We show that the spread of heat in these networks is described by a type of Levy flight. The presence of such anomalous heattransport regimes in plasmonic networks opens the way to the design of a new generation of composite materials able to transport heat faster than the normal diffusion process in solids.
**URL: http://www.physik.uni-oldenburg.de/condmat/Biehs/pubs/p_SuperDiff2013.pdf (text/plain)**

**Heat Superdiffusion in Plasmonic Nanostructure Networks**

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