What mechanism is suggested by modern refinements to explain the transfer of angular momentum to the outer planets?

Answer

Early, strong magnetic fields linking the Sun's surface to the surrounding accreting disk material acting as a brake.

The problem of how the central star ended up with so little rotational energy while the orbiting bodies held so much was addressed by evolving the nebular model. The current explanation involves the role of magnetism in the early Solar System. It is proposed that during the disk phase, powerful and early magnetic fields extended outward from the young Sun, effectively coupling the Sun's surface rotation to the surrounding material within the accretion disk. This magnetic linkage functioned as an effective brake on the Sun's spin while simultaneously transferring or depositing the rotational energy outward to the planet-forming materials, thus resolving the angular momentum distribution anomaly.

What mechanism is suggested by modern refinements to explain the transfer of angular momentum to the outer planets?

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