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| Paper: |
Solar Nebula, Resulting in the Lack of a Planet in the Kuiper Belt |
| Volume: |
107, Completing the Inventory of the Solar System |
| Page: |
363 |
| Authors: |
Ruzmaikina, T. V. |
| Abstract: |
An idea is suggested that the failure of planet accumulation in the region of the Kuiper belt could be associated with the presence of the magnetic field in the outer solar nebula. Magnetic field is amplified due to the hydromagnetic dynamo or differential rotation in regions transparent for the galactic cosmic rays, \underbar{i.e.}, regions where the surface density $\Sigma \leq 10^2$ g cm$^{-2}$. The magnetic torque includes into redistribution of the angular momentum and mass, resulting to more fast decreasing of the surface density than in the rest of the solar nebula. As a result, the process of planetesimal formation in that magnetized part of the nebula has been remarkably slowed-down, ultimately resulting to the failure of planet formation. |
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