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Laboratory Physics and Cosmology
We find five fundamental reasons demanding that any gravitational mass m, and
the speed of light c, vary with cosmological time such that mc remains
constant. This is required by the universal condition of conservation of
momentum in a Universe with spatial homogeneity. We prove that this is
consistent with Einstein's Theory of General Relativity. We call this effect a
"MASS BOOM". At the LAB system no such time variations can be detected, unless
we make comparisons with cosmological observations. We have to stress that the
physical conditions implied by a time varying mass, together with a time
varying speed of light, preserving the constancy of momentum, are compatible
with Einstein's field equations. We then integrate his cosmological equations
and find the solution for the cosmological scale factor a(t) proportional to
the square of time, implying an apparent accelerated expansion for the
Universe, as seen from the LAB frame. This is the interpretation given to
recent observations obtained from the Supernova Type Ia. This determination of
the scale factor a(t) is based upon a LAB interpretation and therefore is an
apparent effect. On the other hand we note that the product ct being a constant
determines the real Universe as a static one, of constant size. The observed
red shift at the LAB system is due to a real shrinkage of the quantum world,
due to the decrease in size of the quantum particles determined by a decreasing
Planck's "constant".Comment: Accepted for publication in Physics Essays 200
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