G. V. Dedkov and A. A. Kyasov 2007 EPL 78 44005 doi:10.1209/0295-5075/78/44005
G. V. Dedkov and A. A. Kyasov
Show affiliationsFor the first time, new important features of the fluctuation electromagnetic interaction between a small conducting particle and a smooth surface of polarizable medium (both dielectric and metallic) are worked out. The particle is characterized by classical electric and magnetic polarizabilities. The temperature dependence and retardation effects are explicitly taken into account. The resulting interaction force between a metallic particle and the surface of metal proves to be determined to great extent by magnetic coupling and reveals specific dependences on distance, temperature, particle radius and material properties of contacting materials. Numerical estimations are given in the case of a Cu particle above a smooth Cu substrate at different particle radius and temperature of the system.
42.50.Pq Cavity quantum electrodynamics; micromasers
41.20.-q Applied classical electromagnetism
78.70.-g Interactions of particles and radiation with matter
Accelerators, beams and electromagnetism
Issue 4 (May 2007)
Received 23 January 2007, in final form 5 April 2007
Published 9 May 2007
G. V. Dedkov and A. A. Kyasov 2007 EPL 78 44005
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