Re: [Phys-l] A New Way To Understand Gravity?

[Brian Whatcott <betwys1@sbcglobal.net>]

At 05:33 AM 7/11/2007, you wrote:
>   "In 1967 Sakharov published a very interesting article titled " 
> Vacuum  Quantum Fluctuations in Curved Space and the Theory of 
> Gravitation."    In order to understand its meaning , it is 
> important to recall  that , according to Einstein , gravity is the 
> curvature of space caused by the  presence of matter; that is by 
> the presence of real  particles and  fields ( which have some 
> energy density) The curvature is proportional to the  energy 
> density , and the proportionality coefficient is Newton's 
> gravitational  constant G, divided by the velocity of light raised 
> to the fourth power.    Curvature  ~  G/c^4 X energy density This 
> is the famous Einstein equation.    In his work , Sakharov asserted 
> that this equation has a  dynamic interpretation: that the 
> curvature multiplied by c^4/G is the change  in the energy density 
> of the vacuum  due to the curvature of space.
...
>  Bob Zannelli


This sounds like the reciprocity argument regarding force
and acceleration in Newtonian terms.



Brian Whatcott    Altus OK    Eureka!