@MISC{_violationof, author = {}, title = {VIOLATION OF THE STRONG EQUIVALENCE PRINCIPLE ∗}, year = {} }

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Abstract

This paper at first considers the basic equivalence principles (Weak EP, Einstein EP and Strong EP), and further are presented some recent results about time dependent gravitational potential in the universe. Its consequences fit with the observations: Hubble red shift, change of the orbital period of the binary pulsars and anomaly acceleration of the spacecraft Pioneer 10 and 11. Section 3 considers the following experiment. A shielded laboratory is freely falling toward the Earth and assume that in the shielded laboratory there are two bodies which are moving under the mutual gravitation. Calculated is the quotient Θ2: Θ1 according to the observer from the shielded laboratory of two successive orbital periods. Using the results about the time dependent gravitational potential, which are experimentally confirmed by the binary pulsars, Θ2: Θ1 ̸ = 1. It violates the SEP, because according to SEP Θ2: Θ1 = 1. The reason for this deviation from the General Relativity is explained. The last section considers a radial motion of a particle in a weak spherical gravitational field. Although in a short time interval the acceleration is almost a constant, it is shown that the GR equations are not close to the special relativity equations for motion under a constant force. 1. Equivalence principles and basic problems The basic assumption in the General Relativity (GR) is the Weak Equivalence Principle (WEP), which states that if an uncharged test body is placed at an initial event in the space-time and given an initial velocity there, then its subsequent trajectory will be independent of its internal structure and composition. This principle requires too little, so every gravitational theory satisfies it. The first precise experiments of verification of