Extinction paradox
From Infogalactic: the planetary knowledge core
In the small wavelength limit, the total scattering cross-section of an impenetrable sphere is twice its geometrical cross-sectional area (which is the value obtained in classical mechanics).[1]
Several explanations for this phenomenon have been proposed:[2]
- destructive interference inside particle shadow[3]
- diffraction and shadowing of light by particle[4]
- incident wave must be cancelled inside particle[5]
- Superposition of incident and scattered field[6]
References
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