Towards gravitationally assisted negative refraction of light by vacuum
classification
⚛️ physics.optics
astro-phphysics.space-ph
keywords
gravitationallynegativevacuumassistedrefractionvectoraffectedalia
read the original abstract
Propagation of electromagnetic plane waves in some directions in gravitationally affected vacuum over limited ranges of spacetime can be such that the phase velocity vector casts a negative projection on the time-averaged Poynting vector. This conclusion suggests, inter alia, gravitationally assisted negative refraction by vacuum.
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