[General] Velocity of gravitation

[oliver consa]

Dear Albrecht,

In relation to the issue of the speed of propagation of gravity, the best
article I know is this:

Van Flandern "The speed of gravity ? What the experiments say" Physics
Letters 1998. v.250 (1-3), 1.
http://www.ldolphin.org/vanFlandern/gravityspeed.html

The arguments in favor of an instantaneous propagation of gravity are very
convincing for me.

In fact I am convinced that all force fields are transmitted
instantaneously. You can see experiments that corroborate this hypothesis
for the magnetic field and the electric field:

Kholmetskii A. L., Missevitch O. V. and Smirnov Rueda R., 2007, Measurement
of propagation velocity of bound electromagnetic fields in near zone, J.
Appl. Phys.102 013529

De Sangro, R., Finocchiaro, G., Patteri, P., Piccolo, M., & Pizzella, G.
(2015) Measuring propagation speed of Coulomb fields. The European Physical
Journal C, 75(3), 1-10.

Obviously, this hypothesis has important consequences with respect to the
theory of relativity and the very existence of bosons as real force
carriers particles.

Best Regards,
Oliver Consa

El lun., 11 feb. 2019 a las 21:18, Albrecht Giese (<phys at a-giese.de>)
escribió:

> Hi Wolf, hi All,
>
> some time ago we had a discussion here about gravity. In particular about
> the question whether the propagation speed of the gravitational field is
> *c* or infinite. The problem behind is the fact that a finite propagation
> speed of gravity should cause rotating pairs of stars to permanently
> increase their speed, because the other star appears at a retarded position
> and so the force between the stars should have a tangential component. Our
> discussion ended at that time with the result that the Liénard-Wiechert
> potential would solve the problem.
>
> This was not very satisfying because the Liénard-Wiechert formalism is
> only about the field at a retarded time, and this description by itself
> does not solve this problem. I found that the solution is a completely
> different phenomenon. It is the fact (and as such well known in the
> physical literature) that fields like the electric field and also the
> gravitational field (our case) never show aberration. This is – according
> to literature – a well-known fact which is also theoretically well
> understood. But most are not aware of it, like me.
>
> Experimentally it can in the case of the electrical field be proven in the
> laboratory. And the motion of stars show it for the gravitational case.
>
> Do you feel that this helps?
>
> Albrecht
>
>
>
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