Yes.

1- The deformation is not scalar (only one component).

The deformation has 16 components.

The deformation in a 4D unit x-t space is composed of 16 components called curvature.

Cxy Cxy Cxz Cxt

Cyx Cyy Cyz Cyt

Czx Czy Czz Czt

Ctx Cty Ctz Ctt  . . . . . . . (1)

It is called the deformation or curvature matrix/tensor C.

Stress is not a force/area scalar (a single component).

Stress tensor has 16 components.

Stress in a 4D unit x-t space is composed of 16 components, called stress tensors.

∇2xx  ∇2xy  ∇2xz ∇2xt U(x,y,z,t)

∇2yx  ∇2yy  ∇2yz ∇2yt U(x,y,z,t)

∇2zx  ∇2zy  ∇2zz ∇ zt U(x,y,z,t)

∇2tx  ∇2ty ∇ 2tz   ∇2tt U(x,y,z,t)

. . . . (2)

Where ∇2 xx= ,d^2U/d^2x )partial and ∇2 xy=d^2U/dxdy)partial  , .........etc

This is called the stress matrix/tensor B.

The Lorentz law in x,y,z,t which is a universal law of physicst meaning the unitary 4D xt space is conserved,implies,

B . A = I . . . . . (3)

Equation 3 is equivalent to Einstein's stress-strain tensor, and even more precise!

Contrary to Einstein,

Contrary to Einstein, stress or energy density, like gravity, causes space to curve, not the other way around.

How to find a simple solution to equation 3?

1- It is clear that the curvature components are symmetric (Cij = Cji) and the shear components are zero in free space.

2- It is also clear that the stress tensor components are symmetric (∇2 xy = ∇2 yx, etc.).

3- The principal components of the diagonal entries are equal.

We then obtain the resulting equation:

Ctt = constant .G /C^2. . ∇2tt near the surface of the Sun. (4)

where G is the universal gravitational constant and C is the speed of light.

Replacing the mass of the Sun with the correct value in kg, and its radius with its proper value in meters, we obtain

Ctt = 1 E-9 m^-1,

the same value concluded by Einstein in 1915.

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