Heat exchange between two interacting nanoparticles beyond the fluctuation-dissipation regime

Details Heat exchange between two interacting nanoparticles beyond the fluctuation-dissipation regime Heat exchange between two interacting nanoparticles beyond the fluctuation-dissipation regime

2009-06-25

arxiv.org/abs/0906.4707v1

Phys. Rev. Lett. 103, 048301 (2009).

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 1 figure, approved for publication in Physical Review Letters

Scientific paper

10.1103/PhysRevLett.103.048301

We show that the observed non-monotonic behavior of the thermal conductance between two nanoparticles when they are brought into contact is originated by an intricate phase space dynamics. Here it is assumed that this dynamics results from the thermally activated jumping through a rough energy landscape. A hierarchy of relaxation times plays the key role in the description of this complex phase space behaviour. Our theory enables us to analyze the heat transfer just before and at the moment of contact.

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