Frictional damping in radiative electrodynamics and its scaling to macroscopic systems

Details Frictional damping in radiative electrodynamics and its scaling to macroscopic systems Frictional damping in radiative electrodynamics and its scaling to macroscopic systems

2011-06-06

arxiv.org/abs/1106.1135v1

Physics

Classical Physics

11 pages including 5 references, No figures

Scientific paper

Radiation force in Abraham-Lorentz-Dirac equation is revisited for possible signature of irreversible action in the dynamics. The analysis shows that the classical electron can 'dissipate' out a certain fraction of field energy that distinguishes itself from the well known Larmor radiation loss. The dissipation occurs only when the acceleration changes course from its linear evolution. A measure of the dissipative action in the radiative electrodynamics is worked out to compare the two distinctly different modes of energy losses. The measure is shown to be applicable uniquely in all scales of the systems and is used as a common thread to explain frictional contributions of phonons and electrons recently reported. Key words: Abraham-Lorentz-Dirac equation, radiation force, Hawking radiation, frictional dissipation.

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