International Journal of Physics
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International Journal of Physics. 2016, 4(5), 140-145
DOI: 10.12691/ijp-4-5-5
Open AccessArticle

Replacement of Einstein’s Relativity Theory with a New One: Why the Second Postulate is Superfluous?

Mamaev А. V.1,

1Candidate of engineering sciences, Bureau Chief, JSC “Lianozovo Electromechanical Plant Research and Production Corporation”, Russia

Pub. Date: October 15, 2016

Cite this paper:
Mamaev А. V.. Replacement of Einstein’s Relativity Theory with a New One: Why the Second Postulate is Superfluous?. International Journal of Physics. 2016; 4(5):140-145. doi: 10.12691/ijp-4-5-5


My purpose consisted in creation of a new relativistic space-time theory instead of Einstein’s Relativity Theory, but basing upon only one postulate. This could become feasible only if a law of light propagation in a moving inertial reference frame could be made a consequence of the relativity postulate. It was made a reality by P.M. Rapier’s discovery of a quadratic dependence of the light speed upon the light source speed. Considering various ways of making the second postulate superfluous the most short of them was through introducing into the theory of a new concept “light speed in a moving inertial reference frame” by means of usage of the known four-dimensional Minkovski’s formalism. This new light speed was defined as equal to a fourth component of a four-dimensional speed of any moving particle. Then using this newly introduced concept the time-measurement unit was calculated for a moving light clock that occurred to be equal to the time measurement unit of a stationary light clock. And as a very happy event the time dilation effect was deleted from the theory.

special relativity theory light speed in a moving inertial reference frame Galilean speed or velocity Lorentz speed or velocity proper time light clock time measurement unit

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