Researchers have developed a model that explains how heat flows between objects separated by gaps of less than a nanometer. The team has developed a unified framework that calculates heat transport at finite gaps, and has shown that heat flow at sub-nanometer distances occurs not via radiation or conduction, but through ‘phonon tunneling.’
http://feeds.sciencedaily.com/~r/sciencedaily/~3/U2ojojxfJik/150407141333.htm
‘Phonon tunneling’ explains heat flow across nanometer-wide gaps
7 abril 2015
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