What is it about?

New strategy to find traces of Casimir-Lifshitz friction forces

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Why is it important?

Our calculations show that a “hotter” probing particle moving in the near field of a metal substrate (both of normal metals like Au) can additionally receive heat from a “cold” surface at temperatures on the order of 1–10 K, i. e. we have the effect of the anomalous direction of radiative heat transfer. This can be used to measure the tiny Casimir-Lifshitz friction force by the thermal measurements.


I hope you find this article to be thought-provoking.

George Dedkov
Kabardino-Balkarskij gosudarstvennyj universitet imeni H M Berbekova

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This page is a summary of: Nonequilibrium Casimir–Lifshitz friction force and anomalous radiation heating of a small particle, Applied Physics Letters, December 2022, American Institute of Physics,
DOI: 10.1063/5.0115748.
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