Ballistic near-field heat transport in dense many-body systems

Ivan Latella, Svend Age Biehs, Riccardo Messina, Alejandro W. Rodriguez, Philippe Ben-Abdallah

Research output: Contribution to journalArticle

13 Scopus citations

Abstract

Radiative heat transport mediated by near-field interactions is known to be superdiffusive in dilute, many-body systems. Here we use a generalized Landauer theory of radiative heat transfer in many-body planar systems to demonstrate a nonmonotonic transition from superdiffusive to ballistic transport in dense systems. We show that such a transition is associated to a change of the polarization of dominant modes. Our findings are complemented by a quantitative study of the relaxation dynamics of the system in the different regimes of heat transport. This result could have important consequences on thermal management at nanoscale of many-body systems.

Original languageEnglish (US)
Article number035423
JournalPhysical Review B
Volume97
Issue number3
DOIs
StatePublished - Jan 17 2018

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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