On the separation of gravitation and inertia and the determination of the relativistic gravity field in the case of free motion |
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| Authors: | Wenbin Shen Helmut Moritz |
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| Institution: | (1) Section of Physical Geodesy, Technical University Graz, Steyrergasse 30, A-8010 Graz, Austria |
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| Abstract: | Summary The authors explored the possibility of separating gravitation from inertia in the frame of general relativity. The Riemann tensor is intimately related with gravitational fields and has nothing to do with inertial effects. One can judge the existence or nonexistence of a gravitational field according as the Riemann tensor does not vanish or vanishes. In the free fall case, by using a gradiometer on a satellite, gravitational effects can be separated from inertia completely. Furthermore, the authors put forward a general method of determining the relativistic gravity field by using gradiometers mounted on satellites. At the same time the following two statements are proved: in the case of using gradiometers on a satellite, with some kind of approximation the Riemann tensorR
    can be found; in the case of free motion, if the measured Riemannian componentsR
(i0j0) are equal to zero, the Riemann tensorR
equals zero. |
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