SUPERLUMINAL VELOCITY OF ELECTROMAGNETIC WAVES IN PLASMA AND MONOCHROMATICITY.
- Kirori Mal College, University of Delhi, Delhi ? 110007.
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It is shown that when the expression of velocity of electromagnetic waves in Plasma is derived using the Maxwell?s relations its velocity turns out to be violating the ultimate limit on the velocities as it allows its velocity to be greater than the velocity of light in the vacuum. It is then shown that while only phase velocity of the electromagnetic wave threatens to cross the limit, the group velocity still respects the upper limit on the velocity and remains smaller than the velocity of light in vacuum. Based on this, it is argued that admissibility of the existence of a strictly monochromatic electromagnetic wave would violate the inherent wave-particle dual nature of the wave and hence is a rejected possibility.
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[Rakesh Kumar Pandey. (2017); SUPERLUMINAL VELOCITY OF ELECTROMAGNETIC WAVES IN PLASMA AND MONOCHROMATICITY. Int. J. of Adv. Res. 5 (Apr). 1942-1945] (ISSN 2320-5407). www.journalijar.com
Kirori Mal College, University of Delhi, Delhi
