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Substitute the radius of the particle for the constant which means the radius
of the universe in Einstein equation. Robertson-Walker metric is a solution.
For example,the proton and the neutron in the deuteron are kept in a ball.
You can transform this ball into arbitrary forms by transformations in the space.
T0,0 and the density don't change then. the mass and volume
don't change. General relativity(?) explains the invariance of the volumes of
the neucleons in the nuclear. The other theories cannot do it.
Maxwell equations in general relativity(?) explain the quadrupole moment
and the spin-orbit interaction. In general relativity(?), the gravity and the
nuclear force are the same force like the case of Newtonian mechanics.
of the universe in Einstein equation. Robertson-Walker metric is a solution.
For example,the proton and the neutron in the deuteron are kept in a ball.
You can transform this ball into arbitrary forms by transformations in the space.
T0,0 and the density don't change then. the mass and volume
don't change. General relativity(?) explains the invariance of the volumes of
the neucleons in the nuclear. The other theories cannot do it.
Maxwell equations in general relativity(?) explain the quadrupole moment
and the spin-orbit interaction. In general relativity(?), the gravity and the
nuclear force are the same force like the case of Newtonian mechanics.