3.3.4  Derivation of the Field Propagation Equations.

The derivation of the previous Sections have provided a mathematical model for the manner in which the Acceleration Potential and the time dilatation effect are generated by a gravitational source. From this it is quite clear how these effects are promulgated to the space surrounding the source. To augment that understanding, this Section will provide the field equations describing that propagation. It is to be noted that because the space-time continuum within which this new gravitational theory has been developed, D1, is a linear space-time continuum, the field equations derived here will be identical to those of Newtonian theory.

The process of derivation is started from (3.9) as follows, (thus the situation outside the physical boundaries of the source are to be considered first)

u æ
è
1 vs 2

c2
ö
ø
1/2

 
(3.37)

Solving for (vs 2)/2

vs 2

2
 =  c2

2
( 1 - u2 )
(3.38)

Call this term Us, which can be identified as similar to the Newtonian Potential of classical theory, then

Us

s
= - c2u u

s
(3.39)

From (3.34), this can be expressed as

Us

s
= - gmg

s2
(3.40)

and thus

1

s2

s
æ
è
s2 Us

s
ö
ø
= 0
(3.41)

The L.H.S. of (3.41) is the Laplace equation for a spherically symmetrical mass. Therefore, the field propagation equation outside of the source may be stated as

Ñ2Us = 0
(3.42)

Also, because this means that the Acceleration Potential can be stated as

As  =  Us

s
s  =  ÑUs
(3.43)

then by vector theory

Ñ x As = 0
(3.44)

and the Acceleration Potential vector field outside of the gravitational mass is irrotational as is implicit in the definition of the gravitational space-time continuum.

Internal to the source, the equivalent of (3.37) is

ui =   æ
è
1 vis2

c2
ö
ø
1/2

 
(3.45)

and therefore as in the process above outside the source

vis2

2
 =  c2

2
( 1 - ui2 )
(3.46)

calling this Uis, the internal equivalent of Us then as above

Uis

si
 = - c2ui ui

si
(3.47)

so that from (3.7)

Uis

si
 = - gmg si

sg3
(3.48)

and again following the derivation outside the source

1

si2

si
æ
è
si2 Uis

si
ö
ø
 = - 4pgrg
(3.49)

Here the L.H.S. is Poisson's equation for a spherically symmetrical mass, and therefore, the field propagation equation inside of the source may be stated as


Ñ2Uis = - 4pgrg
(3.50)

In (3.49) and (3.50) rg is the average density of the gravitational source. Therefore, again by vector theory

Ais  =  Uis

si
si  =  ÑUis
(3.51)

and so once again

Ñ x Ais = 0
(3.52)

and the Acceleration Potential vector field inside the gravitational source is also irrotational, again an expected result.

Above it was stated that the parameter Us was similar to the Newtonian Potential U of classical theory. Their exact relationship is as follows. From (3.40)

Us  =  gmg

s
(3.53)

and with

U  =  gmg

r
(3.54)

then from (3.53) and (3.54)

Us  =  U r

s
(3.55)

and therefore the only difference between the Newtonian and Relativistic Domain gravitational potentials is a relativistic one. Again in view of the definition of the gravitational space-time continuum used in this new theory, this is an expected result.

G3 Version 1.2.3
Ó P.G.Bass, August 2009
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