This would help quantum mechanics emerge from spacetime, something I have been searching for over several decades. Then we would have these pressure waves at fantastic velocity around them, exchanging information with their surroundings, in a de -Broglie or Madelung way. For a concrete example, assume fundamental particles are varying in mass (imagine some worm hole mechanism) at their Compton frequency. Here I only invoke it to make matter disappear, in a periodic pattern. Magic wands have been used in theoretical physics to create extra dimensions, multi-universes, etc. One way to make superluminal p-waves is of course with the physicists favourite friend, the magic wand. So how would we generate these monopole waves? If we simply shoot matter on and off a planet, we will generate ‘dragged along’ monopole waves, which would travel at light speed (or less) with the matter. I think that the paper makes the mistake of assuming that because all we have measured are transverse waves, that those are the only kind that exist! Pressure waves in general relativity would be hard to generate it would seem, since one would have to pulsate spacetime. This huge pressure wave speed would not be seen in experiments as the paragraph points out – all known waves that propagate in real space are transverse. (There is no experiment or theory describing the viscosity of Einsteins ether at this point, the 10^14 delta is for illustration only). Run the calculations for µ and M, we get µ = Y/3 and M = 10^14 times Y, so the pressure waves in this fluid ether would travel at 10^7 (square root) times faster than c. I’ll quote a section of the Tenev-Horstemeyer paper here: Here is what happens: Faster than light effects – the fluid of spacetime is extremely incompressible, and has a very small Young’s modulus. So lets let our fluid have a Poission’s ratio of just shy of 0.5, say one part in 10^14 away from 0.5, and a see what happens. What if Einstein’s ether was more like a fluid? Fluids have Poisson’s ratio of about 1/2, and only support shear waves if there is viscosity to the fluid. Since I’m an optimist at heart, I decided to look at this from another direction. There seems to be a lot of hand waving going on in these papers about thin plates, absolute length scales (Planck length chosen), and more just to get things to work out. I agree that p-waves can’t be made in GR using normal matter moving around, but see this paper to get an idea of how one might generate monopole wave action. Choosing Poisson’s ratio as 1 leads to P-waves having a speed of 0! Which is ‘required’ as everyone knows that p-waves can’t exist in general relativity. One thing about materials is that they in general support two kinds of waves ‘P-waves’ (pressure waves) and ‘S-waves’ (shear waves). The semi consensus is that this ratio is 1 for the ether, which is not like any normal material (but OK spacetime is not a normal material!). A key measure of a substance is its Poisson’s ratio – which is an elasticity measure. So – lots of stuff about the ether as a solid.Ī few problems with this approach – you can see one paper coming up with Young’s modulus varying with frequency (McDonald), and others struggling with how to even support transverse waves in this elastic medium. There have been a few papers written over the years modelling Einstein’s ether as an elastic solid. Pressure waves in general relativity may move faster than light. Faster than light – but not with spaceships, particles, or transverse wave signals may be possible if spacetime is similar to a slightly viscous fluid.
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